step-servo motor造句

例句与造句

1. The machine uses imported step - servo motor , touch screen , electronic parts and pneumatic component
   本机采用进口步进电机传动，传动更精确；触摸屏控制，操作简单；采用进口电器件及气动元件。
2. It's difficult to find step-servo motor in a sentence. 用step-servo motor造句挺难的