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
Just got back. It's good to see you both again.
刚刚回来。真幸运再次见到你们二位。
The young man had been well aware of her presence at the party.
那个年轻人早已注意到她在宴会上。
As soon as one bee discovered the honey, many more came to it one after another in a short time.
一旦有一只蜜蜂发现了蜂蜜，在短时间内就有许许多多的蜜蜂一个接一个地飞向那里。