Propionamide
[化] 丙酰胺
🗣️ 情景例句
Why do you want to quit your present company?
那你为什么放弃现在的工作呢？
A full belly counsels well.
衣食足而后知荣辱。
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。