主要的催化剂有季铵盐、强酸性离子交换树脂、固体超强酸等。

The main catalysts used are PTC, strong acidic ion-exchanging resin, solid super acid, etc.

youdao

主要的催化剂有季铵盐、强酸性离子交换树脂、固体超强酸等。

The main catalysts used are PTC, strong acidic ion-exchanging resin, solid super acid, etc.

youdao