Gas or smut explosion induced by blasting ignition in the working face of digging and blasting can be prevented by using spray-blasting technology.
论述了采用喷雾爆破技术可以防止炮掘工作面因放炮火焰引起的瓦斯、煤尘爆炸事故。
We research the digging of blasting in the Chu-Ning expressway high slope cutting of Anhui Province, factors of influence the parameter of blasting result and choose rational working procedure.
课题以安徽省埠宁高速公路高边坡路堑爆破开挖为研究对象，重点分析了影响爆破效果的参数及其合理的施工顺序。
On the basis of analysing mechanism of blasting, have probed into and confirmed various kinds of factors that influences the high slope to digging of blasting shaping quality and the stability.
在分析爆破机理的基础上，探讨并确定了影响高边坡爆破开挖成型质量和稳定性的各种因素。
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