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).

根筛杂质的状特点可以择孔筛板(去长、菱杂质)筛板(去颗粒杂质粘胶物)。

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).

根筛杂质的状特点可以择孔筛板（去长、菱杂质）筛板（去颗粒杂质粘胶物）。