Vortex Pump is a kind of unchokeable pump with good unchokeable performance, but its wear rate is lousily.
摘要
是无堵塞的一种，无堵塞性较好，但磨损率较高。
Vortex Pump is a kind of unchokeable pump with good unchokeable performance, but its wear rate is lousily.
摘要是无堵塞的一种，无堵塞性较好，但磨损率较高。
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