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        "headline": "电磁屏蔽热缩管分 1、2、3 级：屏蔽效能、表面电阻率和收缩条件怎么核",
        "description": "报价单只写“屏蔽热缩管”，级数常常空着。1 级和 3 级的屏蔽效能相差 30 dB，内表面电阻率相差两个数量级。GB/T 42714-2023 还要求，试样先做非限制性收缩，再测这些数。",
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        "headline": "聚乙烯土工膜 2025 版：6 个代号、5 张指标表，先按厚度查",
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        "headline": "塑料土工格栅：单肋法和多肋法，拉伸报告先看试验方法",
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        "headline": "高效空气过滤器：逐台检漏，再核效率等级和尺寸偏差",
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        "headline": "汽车密封条：31 项型式检验，复检周期要分开看",
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        "headline": "缓冲包装设计：先定脆值和跌落高度，再算衬垫厚度",
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        "headline": "缓冲材料蠕变：24 小时和 168 小时要分开测",
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        "headline": "缓冲材料动态压缩：5 次冲击，最大加速度取后 4 次平均",
        "description": "动态压缩报告只写最大加速度，很难复核。GB/T 8167-2008 还要求重锤质量、跌落高度、5 次冲击曲线、前后厚度和残余应变。缺一项，曲线就不能直接用。报告先查这七项。",
        "url": "https://globenorm.com/specialist/article/gb-t-8167-2008-dynamic-compression/",
        "identifier": "GB/T 8167-2008",
        "articleSection": "包装与缓冲",
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          "https://openstd.samr.gov.cn/bzgk/std/showGb?type=online&hcno=A52ED2F0300A8A3B664D7C5A7B0AB8C6&request_locale=zh_CN",
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            "type": "official",
            "note": "用于核对标准号、名称、状态、发布日期与实施日期。"
          },
          {
            "name": "国家标准全文公开系统 · 在线全文（GB/T 8167-2008）",
            "url": "https://openstd.samr.gov.cn/bzgk/std/showGb?type=online&hcno=A52ED2F0300A8A3B664D7C5A7B0AB8C6&request_locale=zh_CN",
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            "note": "用于核对章节、表号、试验条件和判定值。"
          },
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            "name": "缓冲材料动态压缩试验标准信息",
            "url": "https://www.bzxz.net/bzxz/134356.html",
            "type": "standard-summary",
            "note": "用于比对重锤、跌落高度、冲击次数与曲线整理的常见理解。"
          }
        ],
        "datePublished": "2026-10-29",
        "dateModified": "2026-10-29",
        "inLanguage": "zh-CN"
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    },
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      "item": {
        "@type": "TechArticle",
        "headline": "井下阻燃输送带丙烷燃烧试验：2 米试样、10 分钟、1.30 公斤气",
        "description": "GB/T 16412-2026 只面向井下用阻燃输送带。巷道、台架和燃烧器都有固定尺寸。风速、耗气量也有固定值。结果要看未损坏长度，还要连同完整试验条件一起记录。",
        "url": "https://globenorm.com/specialist/article/gb-t-16412-2026-conveyor-belt-propane-burner/",
        "identifier": "GB/T 16412-2026",
        "articleSection": "输送带与工业橡胶",
        "keywords": "GB/T 16412-2026，输送带与工业橡胶，阻燃输送带，丙烷燃烧试验，井下输送带，未损坏长度",
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            "note": "用于核对标准号、名称、状态、发布日期与实施日期。"
          },
          {
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            "url": "https://openstd.samr.gov.cn/bzgk/std/showGb?type=online&hcno=5733CECCC9BEA12199ABB154CD34380D&request_locale=zh_CN",
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            "note": "用于核对章节、表号、试验条件和判定值。"
          },
          {
            "name": "阻燃输送带丙烷燃烧试验标准摘要",
            "url": "https://www.spc.org.cn/online/GB%252FT%2B16412-2026",
            "type": "standard-summary",
            "note": "用于比对适用范围、试样和试验装置的常见理解。"
          }
        ],
        "datePublished": "2026-10-29",
        "dateModified": "2026-10-29",
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    },
    {
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      "position": 11,
      "item": {
        "@type": "TechArticle",
        "headline": "玻璃钢拉挤型材：M30、M23、M17 三个级别怎么选",
        "description": "拉挤型材的牌号不只是截面尺寸。GB/T 31539-2015 把截面、力学级别和耐久性代号写在一起。同一截面可以对应不同性能表。牌号少一段，报价和送检范围都会变。",
        "url": "https://globenorm.com/specialist/article/gb-t-31539-2015-frp-pultruded-profiles/",
        "identifier": "GB/T 31539-2015",
        "articleSection": "高分子与复合材料",
        "keywords": "GB/T 31539-2015，高分子与复合材料，玻璃钢拉挤型材，M30，M23，M17，纤维增强复合材料",
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            "type": "official",
            "note": "用于核对标准号、名称、状态、发布日期与实施日期。"
          },
          {
            "name": "国家标准全文公开系统 · 在线全文（GB/T 31539-2015）",
            "url": "https://openstd.samr.gov.cn/bzgk/std/showGb?type=online&hcno=B9B6C0274D313E2D7D526CE91DBE118E&request_locale=zh_CN",
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            "note": "用于核对章节、表号、试验条件和判定值。"
          },
          {
            "name": "玻璃钢拉挤型材等级与性能表说明",
            "url": "https://gzlhsou.com/index.php/news/1229.html",
            "type": "industry",
            "note": "用于比对材料等级、截面代号和力学性能表的常见理解。"
          }
        ],
        "datePublished": "2026-10-29",
        "dateModified": "2026-10-29",
        "inLanguage": "zh-CN"
      }
    },
    {
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      "item": {
        "@type": "TechArticle",
        "headline": "纤维增强塑料试验总则：两份数据对不上，先查这四项",
        "description": "同样的纤维增强塑料，两家实验室可能测出两套数。常见差异在 GB/T 1446-2005：取样方向、边缘距离、状态调节和有效试样数。先把这四项对齐，再讨论材料。",
        "url": "https://globenorm.com/specialist/article/gb-t-1446-2005-frp-test-general/",
        "identifier": "GB/T 1446-2005",
        "articleSection": "高分子与复合材料",
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          "https://upimg.baike.haosou.com/doc/7878301-8152396.html"
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            "type": "official",
            "note": "用于核对标准号、名称、状态、发布日期与实施日期。"
          },
          {
            "name": "国家标准全文公开系统 · 在线全文（GB/T 1446-2005）",
            "url": "https://openstd.samr.gov.cn/bzgk/std/showGb?type=online&hcno=C516406CCEE2616623D857EC42848BAD&request_locale=zh_CN",
            "type": "official",
            "note": "用于核对章节、表号、试验条件和判定值。"
          },
          {
            "name": "纤维增强塑料试验总则背景说明",
            "url": "https://upimg.baike.haosou.com/doc/7878301-8152396.html",
            "type": "standard-summary",
            "note": "用于比对试样状态、试验环境和结果表达等常见理解。"
          }
        ],
        "datePublished": "2026-10-29",
        "dateModified": "2026-10-29",
        "inLanguage": "zh-CN"
      }
    },
    {
      "@type": "ListItem",
      "position": 13,
      "item": {
        "@type": "TechArticle",
        "headline": "玻璃钢氧指数：3 分钟和 0.5% 两个判定条件",
        "description": "氧指数报告只写一个 32% 不够。GB/T 8924-2005 用 3 分钟燃烧时间和 0.5% 的浓度差找临界值。熔滴、烟灰和结炭也要记录。漂游性燃烧不能漏。",
        "url": "https://globenorm.com/specialist/article/gb-t-8924-2005-frp-oxygen-index/",
        "identifier": "GB/T 8924-2005",
        "articleSection": "高分子与复合材料",
        "keywords": "GB/T 8924-2005，高分子与复合材料，氧指数，纤维增强塑料，阻燃，玻璃钢",
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            "type": "official",
            "note": "用于核对标准号、名称、状态、发布日期与实施日期。"
          },
          {
            "name": "国家标准全文公开系统 · 在线全文（GB/T 8924-2005）",
            "url": "https://openstd.samr.gov.cn/bzgk/std/showGb?type=online&hcno=130D419B59F3631520F7AFFD3D9B15A1&request_locale=zh_CN",
            "type": "official",
            "note": "用于核对章节、表号、试验条件和判定值。"
          },
          {
            "name": "氧指数试验方法标准信息",
            "url": "http://csres.com/detail/109504.html",
            "type": "standard-summary",
            "note": "用于比对氧指数升降程序、燃烧现象和结果表达的常见理解。"
          }
        ],
        "datePublished": "2026-10-29",
        "dateModified": "2026-10-29",
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      }
    },
    {
      "@type": "ListItem",
      "position": 14,
      "item": {
        "@type": "TechArticle",
        "headline": "中厚壁非阻燃双壁热缩管：3:1、A/B 型和 200℃ 收缩条件",
        "description": "GB/T 42734-2023 只覆盖标称收缩比 3:1、最高使用温度 100℃ 的中厚壁非阻燃双壁聚烯烃热缩管。A 型和 B 型分别对应中壁和厚壁。只写“3:1 热缩管”，产品范围还锁不住。范围先查全。",
        "url": "https://globenorm.com/specialist/article/gb-t-42734-2023-dual-wall-heat-shrink-tube/",
        "identifier": "GB/T 42734-2023",
        "articleSection": "热缩套管",
        "keywords": "GB/T 42734-2023，热缩套管，中厚壁热缩管，双壁聚烯烃热缩管，3:1 热缩管，A型 B型，热缩管检验规则",
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        ],
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            "type": "official",
            "note": "用于核对标准号、名称、状态、发布日期与实施日期。"
          },
          {
            "name": "国家标准全文公开系统 · 在线全文（GB/T 42734-2023）",
            "url": "https://openstd.samr.gov.cn/bzgk/std/showGb?type=online&hcno=858DFCE915AB36B5037216C3BE3D9F6D&request_locale=zh_CN",
            "type": "official",
            "note": "用于核对章节、表号、试验条件和判定值。"
          },
          {
            "name": "中厚壁双壁热缩管分类与性能说明",
            "url": "https://www.qilaijian.com/wenda/75980.html",
            "type": "industry",
            "note": "用于比对 A/B 型、收缩条件和性能项目的常见理解。"
          }
        ],
        "datePublished": "2026-10-29",
        "dateModified": "2026-10-29",
        "inLanguage": "zh-CN"
      }
    },
    {
      "@type": "ListItem",
      "position": 15,
      "item": {
        "@type": "TechArticle",
        "headline": "阻燃聚烯烃热收缩管：125℃ 等级、A/B/C/D 分类和验收资料",
        "description": "JB/T 12875-2016 面向 125℃ 级阻燃聚烯烃热收缩管。公开资料把产品分为 A、B、C、D 四类，但 VW-1 阻燃和全管阻燃不是同一个口径。由于未取得可逐条核对的完整官方全文，这里只讲范围、分类逻辑和资料核对，不把二手摘要写成标准结论。先看边界。",
        "url": "https://globenorm.com/specialist/article/jb-t-12875-2016-flame-retardant-heat-shrink-tube/",
        "identifier": "JB/T 12875-2016",
        "articleSection": "热缩套管",
        "keywords": "JB/T 12875-2016，热缩套管，阻燃聚烯烃热收缩管，VW-1，全管阻燃，125℃热缩管，热缩管分类",
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          "https://hbba.sacinfo.org.cn/",
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            "url": "https://hbba.sacinfo.org.cn/stdDetail/b54afdc4249d328a991d26922d29c977",
            "type": "official",
            "note": "用于核对标准号、名称、状态、发布日期与实施日期。"
          },
          {
            "name": "全国标准信息公共服务平台 · 行业标准检索",
            "url": "https://hbba.sacinfo.org.cn/",
            "type": "official",
            "note": "用于按标准号复核版本状态及主管部门公开信息。"
          },
          {
            "name": "阻燃聚烯烃热收缩管标准摘要",
            "url": "https://m.antpedia.com/standard/1173588617-10.html",
            "type": "standard-summary",
            "note": "用于比对 A/B/C/D 分类、电压和阻燃口径的常见理解；"
          }
        ],
        "datePublished": "2026-10-29",
        "dateModified": "2026-10-29",
        "inLanguage": "zh-CN"
      }
    },
    {
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      "position": 16,
      "item": {
        "@type": "TechArticle",
        "headline": "电动汽车高压铜排热缩管：双层结构、3:1 规格与 155℃ 收缩条件",
        "description": "NB/T 10328-2019 面向电动汽车高压铜排用双层聚烯烃热收缩管。外层是聚烯烃热缩层，内层是硅树脂层。适用范围覆盖 DC 60 V 到 1000 V，或 AC 25 V 到 660 V。选型还要把铜排尺寸、收缩窗口和电气指标一起核。",
        "url": "https://globenorm.com/specialist/article/nb-t-10328-2019-ev-busbar-heat-shrink-tube/",
        "identifier": "NB/T 10328-2019",
        "articleSection": "热缩套管",
        "keywords": "NB/T 10328-2019，热缩套管，电动汽车高压铜排，双层热缩管，硅树脂内层，热缩管击穿电压，高压铜排绝缘",
        "citation": [
          "https://hbba.sacinfo.org.cn/stdDetail/32431429cca3c3f3791a9408d1df277f0fa9217cb4460cfa33bd88f53c5aec82",
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            "type": "official",
            "note": "用于核对标准号、名称、状态、发布日期与实施日期。"
          },
          {
            "name": "全国标准信息公共服务平台 · 行业标准检索",
            "url": "https://hbba.sacinfo.org.cn/",
            "type": "official",
            "note": "用于按标准号复核版本状态及主管部门公开信息。"
          },
          {
            "name": "电动汽车高压铜排热缩管技术与试验说明",
            "url": "https://m.qilaijian.com/wenda/82108.html",
            "type": "industry",
            "note": "用于比对双层结构、电压范围和关键性能项目的常见理解。"
          }
        ],
        "datePublished": "2026-10-29",
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        "headline": "PTFE 半成品：先按 4 级拉伸性能选，再用命名代码锁规格",
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        "headline": "QB/T 5257-2018 的 PTFE 板材：先分Ⅰ/Ⅱ/Ⅲ 型，再核旧牌号和标记",
        "description": "QB/T 5257-2018 替代 QB/T 3625-1999。公开资料把板材分成Ⅰ型、Ⅱ型和Ⅲ型，差别主要落在再生料边界、加工方式、标记和验收字段。主要看三处。完整官方全文未取得。性能限值不在这里补写。",
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            "note": "用于按标准号复核版本状态及主管部门公开信息。"
          },
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            "name": "PTFE 板材分类与性能说明",
            "url": "https://www.chem17.com/tech_news/detail/1770384.html",
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        "headline": "短纤针刺土工布：9 档规格怎么查，基本项和参考项别混",
        "description": "GB/T 17638-2017 用标称断裂强度分规格，从 3 kN/m 到 40 kN/m 共 9 档。克重仍要考核，但不再单独决定规格。基本项和抗老化参考项也要分开看。",
        "url": "https://globenorm.com/specialist/article/gb-t-17638-2017-staple-fiber-needlepunched-geotextile/",
        "identifier": "GB/T 17638-2017",
        "articleSection": "土工材料",
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            "note": "用于比对产品规格、基本项和复验规则的常见理解。"
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        ],
        "datePublished": "2026-10-29",
        "dateModified": "2026-10-29",
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    },
    {
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        "@type": "TechArticle",
        "headline": "塑料土工格室 2024 版：先认原料和节点，再查条带性能",
        "description": "GB/T 19274-2024 把土工格室的原料、条带工艺、节点结构和初始角度都放进了产品身份。PE、PP 和 PET 条带各有性能表，节点还要分结构再查强度。先认原料，再认节点。",
        "url": "https://globenorm.com/specialist/article/gb-t-19274-2024-plastic-geocell/",
        "identifier": "GB/T 19274-2024",
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          },
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            "url": "https://www.ctn1986.com/index.php?a=show&c=content&id=122985",
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            "note": "用于比对材料类型、节点结构和条带性能表的常见理解。"
          }
        ],
        "datePublished": "2026-10-29",
        "dateModified": "2026-10-29",
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    },
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        "@type": "TechArticle",
        "headline": "空气过滤器 2019 版：先看等级和结构代码，再核效率与电气项",
        "description": "GB/T 14295-2019 管通风、空调和净化系统里的空气过滤器。高效及以上另查对应产品标准。粗效到亚高效各有等级代码。PMx 效率、阻力、容尘和电气安全要按同一台产品的条件核。",
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        "identifier": "GB/T 14295-2019",
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            "note": "用于核对章节、表号、试验条件和判定值。"
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            "name": "空气过滤器分级与检验项目说明",
            "url": "http://www.tjfls.com/?list_23/272.html",
            "type": "industry",
            "note": "用于比对 C/Z/GZ/YG 分级、PMx 效率和检验项目的常见理解。"
          }
        ],
        "datePublished": "2026-10-29",
        "dateModified": "2026-10-29",
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    },
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        "@type": "TechArticle",
        "headline": "高效过滤器性能试验：MPPS 不大于 0.1 μm 时，方法要换",
        "description": "GB/T 6165-2021 是效率和阻力的试验方法标准，产品等级和合格线仍要看 GB/T 13554-2020 或合同。2021 版增加了 MPPS 不大于 0.1 μm 的单分散气溶胶计数法，方法、气溶胶和采样条件都要写清。",
        "url": "https://globenorm.com/specialist/article/gb-t-6165-2021-hepa-filter-test/",
        "identifier": "GB/T 6165-2021",
        "articleSection": "工业过滤",
        "keywords": "GB/T 6165-2021，工业过滤，高效空气过滤器试验，HEPA 效率测试，MPPS，计数法，钠焰法，过滤器阻力",
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            "type": "official",
            "note": "住房和城乡建设部主管的工程建设标准公开入口，用于核对标准号、名称和状态。"
          },
          {
            "name": "工程建设标准全文公开系统 · 标准检索",
            "url": "https://www.ccsn.org.cn/newweb/standardQuery",
            "type": "official",
            "note": "用于按标准号复核版本及主管平台公开信息。"
          },
          {
            "name": "高效空气过滤器效率试验方法说明",
            "url": "https://www.bjstest.com/fwly/qt/2026/09/170283.html",
            "type": "industry",
            "note": "用于比对计数法、效率与阻力试验的常见理解。"
          },
          {
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            "url": "https://www.joasun.com/en/blog/filter-knowledge-4/guo-ji-he-zhong-guo-kong-qi-guo-lu-qi-biao-zhun-de-xiang-xi-dui-bi-19",
            "type": "industry",
            "note": "用于比对 MPPS、计数法和不同试验体系边界的常见理解。"
          }
        ],
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        "@type": "TechArticle",
        "headline": "给水用 PE 管材：PE80/PE100、SDR 和静液压强度怎么对",
        "description": "GB/T 13663.2-2018 管 PE80 和 PE100 混配料做的给水 PE 管，外径 16～2500 mm，水温不超过 40℃，最大工作压力 2.0 MPa。材料等级、SDR、静液压和氧化诱导时间要一起核。",
        "url": "https://globenorm.com/specialist/article/gb-t-13663-2-2018-pe-pipe-water-supply/",
        "identifier": "GB/T 13663.2-2018",
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            "type": "official",
            "note": "用于核对标准号、名称、状态、发布日期与实施日期。"
          },
          {
            "name": "国家标准全文公开系统 · 在线全文（GB/T 13663.2-2018）",
            "url": "https://openstd.samr.gov.cn/bzgk/std/showGb?type=online&hcno=D8804D21C48F07D83DD6FF6DB3228B13&request_locale=zh_CN",
            "type": "official",
            "note": "用于核对章节、表号、试验条件和判定值。"
          },
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            "name": "给水用 PE 管材标准与选型说明",
            "url": "https://vip.huichangguanye.com/gbt-13663-pe-pipe-standard.html",
            "type": "industry",
            "note": "页面标题使用简称，仅用于比对 PE80/PE100、SDR 和静液压项目的常见理解；标准号以官方题录为准。"
          }
        ],
        "datePublished": "2026-10-29",
        "dateModified": "2026-10-29",
        "inLanguage": "zh-CN"
      }
    }
  ]
}