短語(yǔ)詞組短語(yǔ)circulation oil pump 循環(huán)油泵water circulation suction pump 吸水循環(huán)水泵outside circulation piston pump 外環(huán)流活塞泵circulation plunger pump 循環(huán)柱塞泵accelerated circulation by pump 泵力加速循環(huán);用泵加速循環(huán)Circulation slurry pump proper 漿液循環(huán)泵本躰inside circulation piston pump 內(nèi)環(huán)流活塞泵circulation U pump 循環(huán)泵circulation ? pump 循環(huán)泵 返回 circulation pump