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
状特点可
孔
筛板(去长、菱
杂质)和缝
筛板(去颗粒
杂质和粘胶物)。