blasting ratio信息详情
爆破率
blasting───v.爆炸(blast的ing形式);n.爆炸;破坏;由爆破而产生的碎石块;枯萎
blasting fuse───起爆引线; 导火线;导爆线;导火线
blasting cap───起爆雷管;雷管,火雷管;爆破雷管
ratio───n.比率,比例
variation ratio───异众比率;变异比率;变速比,变速范围
abrasive blasting───(磨料)喷砂法,喷砂;(磨料)喷砂法;[机]喷砂
blasting rocks───爆破岩石
blasting charge───轰裂药;爆破装药
blasting caps───鼓风盖
The practice proves that given blasting technique can prominently raise the lump coal ratio and get a good economic benefit.───实践证明,文中所研究的爆破技术能较显著地提高块煤率,能取得较好的经济效益。
known from cost analysis that key measure for control of blasting cost is to reduce the fines ratio.───通过成本分析得知,控制爆破成本的主要措施是降低粉矿率。
It is special important meaning that Deep - hole blasting With bottom Gap Charging is used to protect bottom rock from breaking, to decrease block ratio and to improve blasting efficiency.───深孔爆破孔底空隙装药在有效地保护底板岩层免遭破坏,减少大块率,提高爆破效率等方面均具有重要的意义。
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