The result shows that the impact strength of the new developed plastic packing box is enough, the impact breakage is due to the unqualified raw material of box.
The result shows that the impact strength of the new developed plastic packing box is enough, the impact breakage is due to the unqualified raw material of box.
结果证明,新研制的某炮弹塑料包装筒的结构设计满足冲击强度的要求,其产生冲击破坏的原因是包装筒塑料原材料不合格。