【摘要】 指出反击式破碎机在破碎过程中发挥的重要作用。对其结构特点作了介绍，并叙述了在国内的发展状况及发展方向。更多还原

【Abstract】 The author indicates that the impact crusher plays an important part in crushing process. introduces The structural features of the crusher, and expounds the development state and tendency of the crusher in our country.更多还原