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关注:1
2013-05-23 12:21
求翻译:normally have a coefficient of performance (COP) of 3–5, which means that a heat pump can deliver 3–5 kWh heat by consuming only 1 kWh electricity是什么意思?![]() ![]() normally have a coefficient of performance (COP) of 3–5, which means that a heat pump can deliver 3–5 kWh heat by consuming only 1 kWh electricity
问题补充: |
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