短語(yǔ)詞組短語(yǔ)lubrication ? pump 潤(rùn)滑油泵brake lubrication charging pump 制動(dòng)器潤(rùn)滑加油泵lubrication oil pump 滑油泵lubrication oil pump switch 潤(rùn)滑油油泵開(kāi)關(guān)intake valve lubrication metering pump 進(jìn)氣門(mén)潤(rùn)滑計(jì)量泵pre -lubrication oil pump 預(yù)潤(rùn)滑油泵stern tube lubrication oil pump 尾軸管潤(rùn)滑油泵forced lubrication pump 壓力潤(rùn)滑泵 返回 lubrication pump