Warning: file_put_contents(/www/wwwroot/ppbbbu/5356789.com/cache/1a6e55745c51028486af0dc0e686b8d6.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbbu/5356789.com/index.php on line 55 bearing ball grinder例句_bearing ball grinder英汉例句_bearing ball grinder双解例句_零六五六深蓝词典
This grinder use electric spindle which hold by ceramic ball bearing as high-speed spindle system, and use linear motor as precision feed system. 该磨床选用陶瓷球轴承电主轴作为高速主轴系统，利用直线电机作为高速精密进给系统。