集料盒外包粉碎室四周设计，可有效防止粉碎时粉碎料漏出最佳剪切角度，阻力小，不容易卡死，提高削切效率；
Aggregate box outsourcing crushing room design, can effectively prevent the leakage of crushing crushing the best shear angle, small resistance, not easy clamping, improves the cutting efficiency;
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