crater arc
英 [ˈkreɪtə(r) ɑːk]
美 [ˈkreɪtər ɑːrk]
网络 坎弧
双语例句
- Large holespacing and small burden blast can enlarge the angle of crater, produce an arc free face beneficial to the intensification of reflecting tensile stress and the distribution of velocity field, and enhance the utilization of blasting energy and improve blast efficiency.
大孔距小抵抗线爆破技术使爆破漏斗角增大，产生有利于反射拉应力增加及速度场分布的弧形自由面，爆破能量利用率高，爆破效果好。