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
The movie was a box office success.
这电影的票房很成功。
Harry fears the worst.
哈里害怕最恶劣的事态。
It's none of your business.
关你屁事！