您要查找的是不是:
- middle deep hole blasting 中深孔爆破
- Technique of wedge cut in middle and deep hole blasting 中深孔爆破的楔形掏槽技术
- 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
- middle deep - hole blasting 中深孔爆矿
- 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 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
- Keywords incise courtyard;middling deep hole;scanty contrast blast;form courtyard once;technology apply; 切割天井;中深孔;微差爆破;一次成井;技术应用;
- 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
- Optimization study on orthogonal experiment of medium and deep hole blasting parameters in underground stoping 井下中深孔回采爆破参数的正交试验优化研究
- Application of Medium and Deep Hole Blasting Technology in Medium Hard Rock Tunnel Boring at Haizi Coalmine 中深孔爆破在海孜煤矿中硬岩巷道掘进中的应用
- middle deep hole 中深孔
- They first dug a deep hole in the ground. 他们先在地上挖了一个深洞。
- STUDY ON THE LAYERED CHARGING AND LAYERED TAMPING FOR MEDIUM AND DEEP HOLE BLASTING 中深孔爆破分层装药分层填塞研究
- Non-linear Temporal Analysis on Response of Building Frame Under Deep Hole Blasting Earthquake Wave 深孔爆破对房屋结构的非线性动力反应
- 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。