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.
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.
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.
应用推荐