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 and I are very busy these days.
这些天来我们俩都很忙。
Where is gate six?
6号登机门在哪儿？
Mmm, it doesn't seem to fit very well.
嗯，这套看来不大合身。