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铸铁采暖散热器
Cast iron heating radiator
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压铸铝合金散热器
Die-casting aluminum alloy radiator
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卫浴型散热器
Bath room radiator
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进出口热水器检验规程.第2部分：燃气热水器
Rules for the inspection of water heaters for import and export.Part 2:Gas water heaters
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城市供热管道用波纹管补偿器
Bellows expansion joints for city heating pipeline
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热量表检定装置
Verification facilities of heat meters
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流量温度法热分配装置技术条件
Technical requirements of the heat allocation device by flow ratio and temperature of the water
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地源热泵系统用聚乙烯管材及管件
Polyethylene pipes and fittings for ground source heat pump system
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