electrical pump well 电泵井

submersible electrical pump 潜油电泵

electrical plunger pump 电动柱塞泵

electrical pressure pump 电动压力泵

electrical submersible pump 潜油电泵 ; 电动沉没泵 ; 潜油电泵机组 ; 电动潜油泵

Electrical Gear Pump 电子齿轮泵

Electrical Fuel Pump 电动泵 ; 燃油泵 ; 电动燃料泵

submersible electrical water pump 电动潜水泵

Electrical hydraulic pump 液压电动泵