字典網>> 英漢字典>> U開頭詞條>>upper cylinder lubrication的意思 漢英字典upper cylinder lubrication中文翻譯：【化】 上部汽缸潤滑英文字典 相關詞條：upper and lower limits of official rate of exchange upper control limit upper transmission upper eyelid upper yield point upper half-power frequency upper tray upper track upper ease upper explosive limit