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
And you, Susan Stewart,
那么 ，Susan Stewart
Can you tell one from the other?
你能区别哪个是哪个吗？
What's in that cave?
岩洞里会有什么？