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).
根据选杂质的
状特点可以选择孔
(
长、菱
杂质)和缝
(
颗粒
杂质和粘胶物)。