1) round layout
炮眼组布置
2) blast-hole arrangement
炮眼布置
1.
Computer aided design of the blast-hole arrangement plan in heading tunnel;
掘进巷道炮眼布置计算机辅助设计
2.
According to the ore nature property and actual mining condition in the mine,the problem of high powder ore ratio is solved by modifying the blasting parameter and the blast-hole arrangement,the lump ore ratio and the ore utilization ratio are increased,thus,the mining cost is reduced and economic profit of the mine is increased.
针对我矿矿石的本质特性和开采的实际情况,通过改进采面爆破参数和炮眼布置方式,解决了矿石粉矿率高的问题,有效地提高了矿石块度及煅烧矿石的利用率,降低了采矿成本,增加了企业经济效益。
4) linear shot patterns
线形炮眼布置
5) staggered arrangement of shotvholes
炮眼交错布置
6) blasting hole arrangement
炮眼布设
1.
The blasting hole arrangement of hard ductility rocks in the roadway excavation is discussed and explosive loading coefficient is determined.
介绍了该矿传统掘进凿岩爆破方法,详细阐述了该矿硬韧性岩的巷道掘进炮眼布设及装药系数的确定。
补充资料：炮眼
1.掩蔽工事的火炮射击口。 2.爆破前在岩石上凿的孔，用来装炸药。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条