oil line pump 管线泵 ; 输油管线泵

in-line pump 直列式柱塞泵 ; 管道泵 ; 管线泵

oil-line pump 输油管泵

wire-line pump 绳索抽油泵

Submersible and in-line pump 水陆两用泵

in-line piston pump 单列式柱塞泵 ; 单列活塞泵 ; 单排直列式活塞泵

in-line plunger pump 直列式柱塞泵

in line pump 管线泵

pump discharge line 泵排出管 ; 泵排出管路