The insulation tester made by nitro nobel permits direct measurement on blasting sites without any risk whatsoever . 诺贝尔炸药公司生产的绝缘检验器,能够用来在爆破地点直接进行量测而没有任何危险。
Research on blast - hole computer - aided design system 炮孔计算机辅助设计系统研究
Researches on blasting parameters of triangle burn cut 三角柱直眼掏槽爆破参数研究
Fractal study on blasting energy of top coal 综放顶煤爆破能量的分形研究
The development of safety criterion on blasting vibration effect 爆破地震效应安全判据的发展