Four-roll crusher, is a metallurgical mine equi門個pment supportin一答g, finely crushed products, but also b子鐵y adjusting the gap between the門月 upper and lower roll crushing the req和坐uired size of the material, Φ1冷吃200 × 1000 and Φ900小報 × 700 four-roll crus河窗her, with a compact , Small foo信低tprint, broken ratio (信知18 ︰ 1), higher yie聽城ld.
