A-c directional overcurrent relay
[电] 交流方向性超流断电器
🧩 词语组成解析
directional
[[di'rekʃənəl]]
a. 方向的
[化] 过载电流
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've been writing for the school paper.
你为校刊写文章。
Here, let me carry half of those for you.
喏，让我替你拿一半吧。
I'd like to get this film developed.
我要冲洗这卷胶卷。