短語詞組短語piston motor plunger motor 活塞馬達piston plunger pump 柱狀活塞泵;柱塞泵;翻譯mean speed of piston plunger [機]柱塞平均速度piston pumps and plunger pumps 活塞泵和柱塞泵plunger piston 柱塞;柱狀活塞Plunger piston number 柱塞數(shù)目個plunger piston pump 柱塞泵pump plunger piston 油泵柱塞plunger piston push rod 柱塞姍精頂桿 返回 piston plunger