The scattering of the fragments of an exploding bomb or other projectile 破碎物爆炸的炸弹或其它投射弹等的碎片的散飞
2.
It indicates from engineering applications that the working conditions of crushing equipments are extremely inclement because the load fluctuates considerably . the dangerous circumstance of overloading occurs abruptly when uneven charging or hard materials are loadrfinto the crushing equipment 破碎设备作业工况极为恶劣，工作负荷波动性很大。常因入料不均或因破碎腔进入硬度极强的不可破碎物而出现突然的大幅度的超载险情。
