基本解释軸承球磨牀英汉例句雙語例句This grinder use electric spindle which hold by ceramic ball bearing as high-speed spindle system, and use linear motor as precision feed system.該磨牀選用陶瓷球軸承電主軸作爲高速主軸系統，利用直線電機作爲高速精密進給系統。bearing ball grinder更多例句专业释义機械工程軸承球磨牀