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
What's Harry doing tonight?
Harry，今晚做什么？
Which one is more expensive?
哪一个是比较贵的？
We're all for it.
我们全都同意。