Sprake
[人名] 斯普雷克
🗣️ 情景例句
How are you?
好吗？
Who do you want to speak to ?
你要跟谁讲话？
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。