... 转动衔铁继电器：rotating-armature relay 转动天线电动机：antenna turning motor 转动速度，转速：rate-of-turn ...
双语例句
1
A large disc-shaped rectifying antenna attached to the fuselage harvested the microwave energy, turning it into direct current to power an electric motor attached to the plane's propeller.
机身上的圆盘形整流天线能接收地面传输的微波能，将其转化为直流电为飞机推进器上的电动机供能。
2
The motor servo drive system was used to control antennaturning, adjust the antenna to point at satellite again and receive signal.