Shperical vessel
[化] 球形容器
🧩 词语组成解析
🗣️ 情景例句
Were you here last time on his birthday party?
上次你有没有参加他的生日舞会？
Will it never end?
没完没了。
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。