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1·The stone that cannot be dug directly can use blasting operation.

机械不能直接开挖的石方采用爆破法开挖。

2·It is concluded that the rock mass structure has a not negligible influence when a quality threshold has to be set for a tunnel blasting operation;

研究表明，在必须为隧道爆破作业规定质量参数临界值时，岩体构造有不可忽视的影响。

3·It is mainly applied to blasting operation of general mining, tunneling, road-building, bridge-construction and building water conservancy projects.

主要用于一般采矿、开凿隧道、筑路修桥、兴建水利等爆破作业。

4·The technical requirements adopted for open long-hole blasting and its insurance countermeasures were put forward by summarizing the blasting operation during exploiting the Tunqiu Mine of Liugang.

通过对柳钢屯秋矿开采中的爆破工作进行总结研究，提出采用露天开采深孔爆破的技术条件与安全保障措施。

5·Because the electric and magnetic fields exist within the blasting area, the nonelectric initiation technology was used to avoid the effect of stray current, ensuring the safety of blasting operation.

由于爆区范围内存在较强的电场和磁场，采用了非电起爆技术，避免了杂散电流的影响，保证了爆破作业的安全。

6·This system is characterized by interface well, function all-around, operation simple and easy extend etc., suited for blasting parameters optimum and blasting effect control for bench blasting.

该系统具有界面好、功能全、操作简单和易扩展等特点，适用于台阶爆破的爆破参数优化和爆破效果控制。

7·Sand blasting equipment price has made reliable performance, reasonable design, convenient operation, high efficiency characteristics.

制砂设备价格具有性能可靠、设计合理、操作方便、工作效率高等特点。

8·For example a work shop or grit blasting area where hot work is considered normal operation will not require Permit to work.

例如在喷钢砂处理区域，高温作业是“常规操作”，所以就不必申请作业许可证。

9·The controlled blasting design of Benxi Civil Air Defence Building, operation and safety technical measure in complicated environment is introduced.

介绍本溪市人防办公楼基础开挖控制爆破设计、施工及在复杂环境下所采取的安全技术措施。

10·In this paper, the design and operation of demolition blasting of a large factory building in Xuyi Power Plant are introduced.

介绍了盱眙电厂复杂环境下大型厂房拆除爆破的设计及施工。