“继电器”造句
图 4-9 中使用的机械式
继电器, 可以用电子开关来代替.
The mechanical relays , which have been assumed in Fig . 4 - 9 , can be replaced by electronic switches.
用
继电器操作的一种可视信号或音响信号装置, 用以指示有关电路的情况.
A visual or audible signaling device , operated by relays, which indicates conditions of associated circuits.
高频
继电器可以用与图4-10 ( b ) 一致的电路来代替.
The high - frequency relay can be replaced by the circuit in accordance with Fig. 4 - 10 ( b ).