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GB/T 25861-2023 Vapor compression cycle Water source high temperature heat pump unit 蒸气压缩循环水源高温热泵机组 - 英文版 |
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GB/T 25861-2010 Water-source high temperature heat pumps using the vapor compression cycle 蒸气压缩循环水源高温热泵机组 - 英文版 |
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