open pump isolator valve 开启泵断路阀
The Open Pump 中开泵
open pump sump 水泵吸水池
open pump housing 开式泵体
vortex pump with open impeller 开式旋涡泵 ; 开式旋涡 ; 开式漩涡泵
open pump for oil well 开启式抽油泵
open impeller pump 开式叶轮泵
open drain pump 开式排放泵
open impeller type sand pump 开式叶轮泥浆泵
Pump door open 泵门打开报警
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