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- The difference of hole springing,hole loading and applicable condition are given by contrasting horizontal-hole springing blasting with shear-hole springing blasting. 对平孔药壶爆破与竖孔药壶爆破在扩壶工艺、装药作业等方面进行了比较,提出了这两种形式药壶爆破的适用条件。
- Deep - hole springing blasting 深孔药壶爆破
- They first dug a deep hole in the ground. 他们先在地上挖了一个深洞。
- The stonework blasting of this contract uses construction program that combine blasting deep hole and smooth blasting. 本合同段石方爆破采用深孔控制爆破和光面爆破相结合的施工方案。
- 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。
- The pier and the abu tment head were demolished by the blasting method of charged holes，a nd the others by use of springing blasting. 对上部结构、桥墩和桥台帽的爆破采用药孔法，对桥台身及其基础承台采用药壶法。
- Taking the west area in Wulongquan Limestone Mine of WISCO as an example,the reason is analyzed and large diameter deep-hole springing blasting is suggested. 文章以乌龙泉矿西区原始缓边坡为例,从理论上分析了出现这一问题的原因,提出采用大直径孔药壶爆破可较好地处理这一问题。
- According to experience of stonework excavation, we plan to adopt a in-the-hole drill to have deep hole controlled blasting technology. 根据石方开挖施工经验，计划采用潜孔钻机布孔进行深孔控制爆破技术施工。
- The study shows that the shape of effective stress field of deep hole bench blasting is quasi ellipsoid and the tip effect appears at both ends. 采用三维有限元数值分析法,通过建立三维有限元计算模型,分析堵塞长度对堵塞区有效应力场的影响。
- 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。
- Horizontal Hole Springing and Rock Breaking-out Blasting 平孔药壶坍塌爆破技术
- The application of the above methods ca n prevent the collapse or link-up of adjacent cavities so as to enhance the saf ety in deep hole broach blasting. 它可杜绝相邻壶腔坍塌或贯通可能带来的事故隐患，提高深孔药壶法爆破施工的安全性。
- She was falling down and down into a very deep hole. 她摔倒了掉进一个很深的洞里。
