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
About what?
关于什么
That was clever the way you worked out your problem.
那是解决你的问题的好办法。
But they suddenly became the parents of quintuplets,
但是他们出人意料生了个五胞胎，