短語詞組短語oil ejector booster pump 油噴射增壓泵ejector r pump 噴射泵ejector let pump 噴射泵ejector vacuum pump [真空]噴射真空泵;翻譯ejector vhvacuum pump 放射實空泵ejector air pump 噴射抽氣泵;噴射空氣泵;噴射泵;翻譯exhaust ejector primer pump 排氣噴射引水泵ejector booster pump 噴射增壓泵ejector jet pump 噴射器 返回 ejector pump