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- A Reasonable Choice of the Initiation Method of Open-pit Deep Hole Blast 露天深孔爆破起爆方法的合理选择
- The feasibility of middle_ deep hole blasting in roadway is discussed from present blasting apparatus, blasting technology and work way and the necessity of lifting excavation efficiency velocity and suitability. 从目前的爆破器材、破技术和作业方式等方面论述了平巷中深孔爆破的可行性,以及它对提高掘进工效、度,适应机械化作业线施工的必要性。
- deep and middle- deep hole blasting 中深孔爆破
- Shaft raise by deep hole blasting 深孔爆破成井
- medium - length or deep hole blasting 中深孔爆破
- large diameter deep hole blasting 大直径深孔爆破
- Technique of wedge cut in middle and deep hole blasting 中深孔爆破的楔形掏槽技术
- Improving Methane Drainage Rate by Cross-Seam Deep Hole Blasting 穿层深孔爆破提高瓦斯抽放量
- deep hole blast 深孔爆破
- They first dug a deep hole in the ground. 他们先在地上挖了一个深洞。
- He dug a deep hole in the garden. 他在花园里挖了个深坑。
- WISDOM DEEP HOLE DRILLING MACHINE CO., LTD. 慧能深孔机械有限公司。
- Keep the jeep in the depth of a deep hole. 把吉普车保存在一深洞的深处。
- DEEP HOLE DRILLING TECHNOLOGY LTD. 北京哈镘深孔技术有限公司。
- They dug a deep hole in the hillside. 他们在山坡上掏了一个深洞。
- A deep hole in the earth gaped before us. 我们面前的地上裂开了一个深坑。
- There was a deep hole in the footpath. 人行道上有一个深洞。
- There is a deep hole in the sidewalk. 人行道上有一个很深的洞。
- DEEP HOLE BLASTING TECHNIQUE IN COAL BED OF JIAZHUQING HIGH-GAS TUNNEL 家竹箐高瓦斯隧道煤层深孔爆破技术
- The test results show that the technology of vertical deep hole presplitting blast is a feasible method in Shi Rengou Iron Mine. 在石人沟铁矿的试验结果表明采用垂直深孔预裂爆破技术在该矿是一种可行方案。
