全密封结构可用于筛选粉，颗粒剂和粘胶。

Full-sealed structure can be used in the screening of powder, granule and mucilage.

youdao

全密封结构可用于筛选粉，颗粒剂和粘胶。

Full-sealed structure can be used in the screening of powder, granule and mucilage.

youdao