“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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螺杆空气压缩机使用的空气过滤为纸式。

Screw air compressor used for air filter paper type.

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空气压缩机使用的除尘过滤装置原设计多为纸质滤芯除尘。

The use of air compressor dust filter device more than the original design for paper filter dust removal.

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