Vortex Pump is a kind of unchokeable pump with good unchokeable performance, but its wear rate is lousily.
摘要旋流
是无堵
一种，无堵性较好，但磨损率较高。
Vortex Pump is a kind of unchokeable pump with good unchokeable performance, but its wear rate is lousily.
摘要旋流是无堵一种，无堵性较好，但磨损率较高。
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