Sortation
n. 分类
🗣️ 情景例句
Yes, I do.
是的， 我是这个意思。
Say, do you smell something burning in the kitchen?
喏，你有没有闻到厨房里有烧焦的味道呀？
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。