universal grinding machine meaning in Chinese

通用研磨机
万能磨床

External cylindrical and universal grinding machines - testing of the accuracy
外圆和万能磨床.精度检验
Test code for performance and accuracy of numerically controlled external cylindrical and universal grinding machines
数控外圆磨床和万能磨床性能和加工精度试验规程
Machines tools - test conditions for external cylindrical and universal grinding machines with a movable table - testing of the accuracy
机床.工作台移动式外圆磨床和万用磨床的检验条件.精度试验