According to the shape of screening impurities to choose hole-shaped sieve plate(move out long, Diamond impurities) and the slit-shaped sieve plate(move out particles shape impurities and emplastic).

根据筛杂状特点可以择孔筛板(、杂)和缝筛板(颗粒杂和粘胶物)。

According to the shape of screening impurities to shoose hole-shaped sieve plate (move out long ,Diamond impurities)and the slit-shaped sieve plate (move out particles shape impurities and emplastic).

根据筛杂状特点可以择孔筛板（、杂）和缝筛板（颗粒杂和粘胶物）。