The mine drainage centrifugal pump operating in the piping with high resistance have smaller fluorite and lower efficiency .
矿山排水离心泵在阻力偏高管网中工作时，其流量偏小，效率低。
The mine drainage centrifugal pump operating in the piping with high resistance have smaller fluorite and lower efficiency .
矿山排水离心泵在阻力偏高管网中工作时，其流量偏小，效率低。
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