Phase undervoltage relay
[电] 相位欠压电驿
🧩 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
If you had your choice of all the places in the world.
假如你可以选择世界上的任何地方。
Little children have the most fun playing make-believe.
儿童很喜欢幻想的游戏。
At the head of the queue was an old woman.
排头的是位老太太。