mechanical arm

• 机械手

mechanical arm的用法和样例：

例句

1. As the cow eats, a robotic arm cleans and connects the animal to the milking machine.
   在奶牛进食其间，一只机械手清洁和连接奶牛到挤奶机。
2. There are also two mechanical pilots to take charge if the human pilots cannot fly the plane.
   如果飞行员不能驾驶飞机了，还有两个机械手可以接替。