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
It makes a tremendous difference to me.
这对我来说差别极大。
He conducted himself nobly.
他持身高尚。
He and his staff began throwing furniture out of the window.
他与店员动手向窗外投掷