Elliptical tube
[化] 椭圆管
🧩 词语组成解析
🗣️ 情景例句
Based on my skills and experience, I am looking for four thousand a month.
根据我的能力和经验，我希望月薪是4000元。
I expected it to be sweet.
我原以为是甜的。
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。