1) Working Nip Angle 工态啮角1. The fixed mass principle was put forward and the working nip angle was imported,which were successfully applied into the chamber research of cone crusher. 为开发圆锥破碎机新型层压曲线腔形,基于分层破碎,提出固定质量原则,引入工态啮角,并成功应用于圆锥破碎机腔形...