Disengager
选别器, 断开器lift disengager 催化剂 提升器上部料斗(移动床催化裂化的)
🗣️ 情景例句
One is as old as one's heart.
心多老人多老。
Who is going to win?
谁会赢？
We don't think we can use any of it at all.
我看都不能用了。