relays造句
2024年07月01日 05:15:03
New
relays of troops were sent to the battle front.
新补充的部队已送往前线.
The mechanical
relays , which have been assumed in Fig . 4 - 9 , can be replaced by electronic switches.
图 4-9 中使用的机械式继电器, 可以用电子开关来代替.
A visual or audible signaling device , operated by
relays, which indicates conditions of associated circuits.
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.