石油潜孔钻壳体的研制是我公司新产品开发项目之一。
The development of the shell for the petroleum drilling machine is one of the developing projects in our company.
石方开挖施工要点：采用潜孔钻机配以凿岩机钻眼，松动控制爆破和边坡成型光面爆破。
Elements of stonework excavation: Use down-hole drill assisted with hammer drill drilling. Control blasting loosely and side slope molding smoothing wall blasting.
正在翻译，请等待…路基挖石方采用风钻和潜孔钻打眼，小型松动爆破和深孔爆破，挖掘机和装载机装碴，自卸汽车运输，推土机配合。
Subgrade excavation of rock using pneumatic drill and DTH drill Hole drilling, loose blasting in small and deep hole blasting, excavators and loaders loading ballast, dump truck, bulldozer tie.
以上计算和分析的结果，对气动潜孔锤短钻柱系统优化设计和钻井工艺的采用具有实际应用价值。
The optimum design of DTH drilling system and the adoption of drilling technology can be developed based on the data and result.
介绍了用于全面钻进的YZX127型液动潜孔锤的结构特点、性能参数、室内岩样实钻试验效果，展望了其广阔的应用前景。
YZX127 hydro hammer used for full face drilling is described with its structural characteristics, performance parameters and laboratory test results as well as the application prospects introduced.
潜孔冲击器钻进是岩土钻掘工程中的一种高效钻进方法。
Drilling with DTH can achieve high efficiency in rock and soil drilling engineering.
通过对空气潜孔锤跟管钻进钻具的受力分析，得到影响潜孔锤跟管钻进速度和跟管深度的因素。
By analysis of enforcement of drilling tools of air downhole hammer's following pipe, the factors affecting the drilling speed and depth of the following pipe are obtained.
主要是采用风动潜孔锤同步跟管钻具造孔，可控灌浆技术进行灌浆堵漏。
The hole is drilled by downing hole hammer and controllable grouting is used in prevention with ideal result.
配合我厂生产的潜孔锤，可以钻穿复杂，易坍塌底层。
Used with our down-hole hammer, it can drill through complicated formations in which drilling holes are easy to collapse.
在钻爆法施工凿岩工程中，潜孔凿岩钻具的使用量呈上升趋势，特别是高风压潜孔凿岩钻具的产品类型不断增加。
During rock projects with drilling-Masting method, there is an escalating trend of the use of downhole rock drilling tools.
在钻爆法施工凿岩工程中，潜孔凿岩钻具的使用量呈上升趋势，特别是高风压潜孔凿岩钻具的产品类型不断增加。
During rock projects with drilling-Masting method, there is an escalating trend of the use of downhole rock drilling tools.
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