Kcc
[医] 阴极通电收缩
🗣️ 情景例句
And one thing more.
还有一件事。
Do you have any time?
你有时间吗？
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。