气体管道增压泵有单作用泵和双作用泵。
Gas pipelines have a single role of booster pumps and pump dual role.
双作用式变量叶片泵是一种新型变量泵。
The double-acting variable-vane pump is a new type of variable pump.
目前使用广泛的双作用叶片泵存在着较大的能量浪费；
The double action vane pump using extensively at present has great energy waste;
而双作用式泥浆泵每往复一次完成两次吸排水行动。
The double acting reciprocating mud pump one time every two suction drainage action.
而双作用式泥浆泵每往复一次完成两次吸排水行动。
The double acting reciprocating mud pump one time every two suction drainage action.
应用推荐