Introduced the principle, application efficiency and influence factor of orientation fracture blasting technology.
介绍了定向断裂爆破技术的原理，应用效果及其影响因素。
The results indicate that the difference of fracture toughness between MD and CD increases with a decrease in jet_wire speed ratio, and the main reason is stronger fibre orientation.
试验结果表明：减小浆网速比， 增强了纤维定向作用，裂缝纵向分布增加，导致纸张中纵横向断裂韧性差异增加。
The fracture way and the crack propagating orientation will be changed by the influence of many factors when the crack grows through the bonding interface.
受多种因素影响，裂纹穿过层间界面时，会引起断裂方式和扩展方向的改变。
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