gatalytic cracking

• 催化裂化

gatalytic cracking的用法和样例：

例句

1. It is known as catalytic cracking.
   这就是所谓的催化裂化。
2. The available measurements for reequiping the catalytical cracking are also put forward.
   并提出了将催化裂化工业装置改造为催化裂解工业装置的几点意见。