Undervoltage relay
[电] 欠压继电器
🧩 词语组成解析
[电] 欠压
relay
[rɪ'lɛi]
n. 接替人员，替班;传递;接力赛;继电器;
vt. 转播，传达;用驿马递送，使接替;分程传递;
🗣️ 情景例句
You're welcome.
不用谢
What's the round-trip fare?
来回票价多少？
Enjoy yourself!
祝你玩得开心！