contactor
n. 开关;电流接触器
例句
Therefore, we should correct choice contactor.
因此,应正确选择接触器。
This restriction is due to the coil of the contactor used.
此限制是由于所使用的接触器的线圈。
The experiment shows that the intelligent contactor can realize network communication function.
实验表明,该智能接触器能实现网络通信功能。