Single-acting pump 单动泵 ; [机] 单作用泵

single acting plunger pump 单作用式柱塞泵

single acting air pump 单作用式空气泵 ; 单动气泵

single acting piston pump 单作用式活塞泵

single-acting vane pump 单作用叶片泵

single acting hand pump 单作用手摇泵

single-acting fuel supply pump [机] 单作用式输油泵

Single-acting air pump 单动气泵 ; 单作用式空气泵

single-acting hand pump 单作用手摇泵