精密半自動(dòng)萬能圓磨床 high-precision cylindrical grinder: 高精度外圓磨床universal cylindrical grinder: 萬能外圓磨床semi-auto cylindrical grinder: 半自動(dòng)圓磨床automatic precision plain grinder: 自動(dòng)精密平面磨床semi-automatic bearing grinder: 半自動(dòng)軸承磨床下載手機(jī)詞典可隨時(shí)隨地查詞查翻譯