1.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).
根据筛选杂质状特点可以选择孔
筛板(去
、
杂质)和缝
筛板(去颗粒
杂质和粘胶物)。