阐述了制粉工业历史上形成的“光辊表面是粗糙的无泽面”概念；

The historical conception "the surface of a smooth roll is rough and not glossy" was introduced.

youdao

阐述了制粉工业历史上形成的“光辊表面是粗糙的无泽面”概念；

The historical conception "the surface of a smooth roll is rough and not glossy" was introduced.

youdao