It is the catalyst for economic recovery.

这是经济复苏的催化剂。

youdao

It was found that the rate of recovery of catalyst was over 90%.

溶剂可以反复使用，催化剂的回收率在90%以上。

youdao

It was found that the rate of recovery of catalyst was over 90%.

溶剂可以反复使用，催化剂的回收率在90%以上。

youdao