地源热泵系统工程勘察标准 [附条文说明] CJJ\T291-2019
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烟气二氧化碳捕集纯化工程设计标准 [附条文说明] GB\T51316-2018
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辐射供暖供冷技术规程 [附条文说明] JGJ142-2012
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制冷系统绩效评价与计算测试方法第1部分:蓄能空调系统 GB\T37227.1-2018
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城镇供热管道用球型补偿器 GB\T37261-2018
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新风空调设备分类与代号 GB\T37192-2018
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新风空调设备通用技术条件 GB\T37212-2018
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高密度聚乙烯外护管聚氨酯发泡预制直埋保温钢塑复合管 GB\T37263-2018
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