Houdriflow catcracker
[化] 胡得利移动床催化裂化装置
🗣️ 情景例句
Don't put all your eggs in on basket.
不要孤注一掷。
No man is wise at all times.
智者千虑，必有一失。
the necessary method of study is to group the relevant material and to take note of all possible variant forms and conditions.
应采取的研究方法是，把有关各方面的材料汇集起来，同时注意任何可能出现的异常情况和条件。