Electromotance
[机] 电动势
🗣️ 情景例句
Huh.
嗯。
How long does it take?
火车要开多久？
and we control it by means of the mud which we circulate down the drill pipe.
我们让泥浆顺着钻杆向下循环，用这种方法来控制压力。