canning powder造句

• Include the following several respects basically : ( 1 ) according to blast dynamics theory , research calculate gather can powder bag cut base rock form in the range of the crack when blowing up individually , analyse that proving can gathers the function of cutting the rock of powder bag
  基本包括以下几个方面： ( 1 )根据爆破动力学理论，研究计算了单个聚能药包爆破时切割基岩形成裂缝的范围，分析论证聚能药包切割岩石的作用。
• ( 2 ) use finite element analytical method , go on and gather can powder bag invade and cut to blow up simulation number value calculate rock , analyse in conformity with development of reeb , propagate , decay course , can blow up and down base rock characteristic of the stress go on research gathering , have proved that can gathers the result of cutting the rock of powder bag
  ( 2 )运用有限元分析方法，进行了聚能药包侵切岩石的爆破模拟数值计算，分析了应力波的发展、传播、衰减过程，对聚能爆破下基岩内部应力的特性进行了研究，验证了聚能药包切割岩石的效果。