“使用地热也会出现同样的情况，”他说，“热力泵和空气压缩机时刻都在运转，你会不断收到高额的电费账单，是一年12个月都会收到，而不仅仅是夏季。”

Same thing is happening with geothermal, "he said." you're running a pump and a compressor all of the time, and you get consistently high electric bills, but for 12 months, not just during summer.

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提出了一种化工离心式压缩机运行性能(热力性能)在线监测与评估系统通用化设计思想。

A design idea of general turbo compressor's high-speed online monitoring and operating performance evaluation system has been presented.

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变排量压缩机与热力膨胀阀的配合问题是目前汽车空调系统研究的一个难题。

The matching of variable displacement compressor and thermal expand valve is a difficult problem in mobile conditioning system now.

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