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).

根据筛杂质的形状特点形筛板(去长、菱形杂质)和缝形筛板(去颗粒形杂质和粘胶物)。

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).

根据筛杂质的形状特点形筛板（去长、菱形杂质）和缝形筛板（去颗粒形杂质和粘胶物）。