您要查找的是不是：
- To assist Planning &Development Engineer to implement the stripping / drilling and blasting plan. 协助计划与发展工程师对剥离钻爆计划的编制及落实。
- Test Research on Parameter Optimization for Long and Medium Hole Drilling and Blasting in Sanxin Co. 三鑫公司中深孔凿岩爆破参数优化与试验研究。
- Colloidal particles are formed in considerable amounts in hard-rock drilling and blasting operation. 在硬岩石钻孔和爆破作业中，大量地生成胶体粒子。
- This unit group includes excavating, grading, paving, drilling and blasting contractors who own and operate their own business. 该项包括那些拥有和经营自己企业的承包商，涉及的范围有挖掘，分级，铺砌，凿岩爆破这些方面。
- The study of Rock drillability and blastibility is a basic topic in the fields of drilling and blasting, it has important practical meaning also. 岩石可钻性和可爆性研究是凿岩爆破领域的基础性课题,同时也具有重要的实际意义。
- Technical design and evaluation of specialist drilling and blasting such as pre-split, ground water seep holes, rock bolting. 对预裂爆破、地下水渗孔、岩石迸溅等进行技术上的设计和估算。
- To make their design rational,a knowledge based shaft drilling and blasting design expert system (SDBES) was developed using OEC,a tool for expert system. 为使其设计合理,利用专家系统工具OEC开发了立井钻眼爆破设计专家系统(SDBES)。
- The investigation and analysis shows that the problems occurring in drilling and blasting techniques are the main reasons of rock falling in the stopes. 据调查分析,凿岩和爆破生产工艺中出现的一些问题,是导致大直径深孔采场垮塌的重要原因。
- The key tunneling technology and configuring big machines of drilling and blast for constructing Qingdao Jiaozhouwan subsea tunnel were discussed in this thesis. 对钻爆法修建青岛胶州湾海底隧道的关键技术和大型施工机械配套进行了探讨。
- All excavation was undertaken utilising drill and blast techniques, with the exception of site clearance and minimal overburden removal. 除了现场清除和覆盖物去除，所有挖掘工作都使用钻孔机和爆炸技术完成。
- The main methods for the construction of tunnel are usually both the traditional drilling and blasting method and the modem method of TBM, which have their own applicable conditions concerned. 摘要隧洞施工的主要施工方法是传统的钻爆法和现代的掘进机法，各个方法均有其不同的适用条件。
- The pape describes the test research on the parameter optimization for long and medium hole drilling and blasting by analogic method and test method in Hubei Sanxin Gold-copper Co.,Ltd. 论述了湖北三鑫金铜股份有限公司通过类比法和试验法对中深孔凿岩爆破参数进行优化的试验与研究。
- Merits: Using TYZ/AT series raise borers,you can get higher productivity,less cost,more safety in operation,easier labour and better quality than that of drilling and blasting method. 优点：使用TYZ/AT系列天井钻机钻进天井和普通凿岩爆破法相比，生产效率高，操作安全，工人劳动强度轻和成井质量好，该产品体积小、效率高、结构简单、维修方便、安全可靠，深受用户欢迎。
- rock drilling and blasting method 凿岩爆破法
- long and medium hole drilling and blasting 中深孔凿岩爆破
- underwater drilling and blasting ship 炸礁船
- regular drilling and blasting method 常规钻爆法
- drilling and blasting coal mining face 炮采工作面
- It's primed with det cord and blasting caps. 它是由绝缘线路与爆破雷管所引爆
- drilling and blasting construction 钻爆法施工
