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
No. Please endorse the check at the back.
不会的。请在支票的背面签名。
If I buy that car, I'll have to borrow some money.
如果我要买那辆车的话，我必须借一些钱。
Yes, it's going to be dry and sunny for the next two days.
听了，未来两天天气干燥、晴朗。