Production process is the use of drum drying method, generally used for sewage treatment.

生产工艺是采用滚筒干燥法，一般主要用于污水处理方面。

youdao

Production process is the use of drum drying method, generally used for sewage treatment.

生产工艺是采用滚筒干燥法，一般主要用于污水处理方面。

youdao