Depside
n. [化]缩酚(羧)酸
🗣️ 情景例句
How many are there in your family?
你们家几口人？
Relax!
放松一下！
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。