Oken
[人名] 奥肯
🗣️ 情景例句
Stewart. S-t-e-w-a-r-t. Thank you.
Stewart， S t e w a r t。谢谢你。
Do you have any toys?
你有玩具吗？
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。