three channel impeller pump

... 三缸往复泵； three throw reciprocating pump 三流道叶片泵； three channel impeller pump 三螺杆泵； three screw pump ...

希高翻译... ... three bladed propeller 三叶螺旋桨 three channel impeller pump 三路叶轮泵 three circuit 三电路的 ...

... ) three channel impeller 三流道叶轮 ) three channel impeller pump 三流道叶轮泵 ) impeller flow passage 叶轮流道 ...