pneumatic jack hammer气动锤
pneumatic rock hammer风动凿岩锤
pneumatic pick hammer风镐
pneumatic caulking hammer气动挤缝锤
pneumatic pipe hammer气动夯管锤
pneumatic pile hammer气压桩锤;气动打桩锤
pneumatic coal hammer落煤风镐
Pneumatic impacting hammer气动夯管锤
pneumatic jam hammer气动铆钉挡锤
Through the effort,comes to the whole process design of air drilling and discussed well layout, the selection of air compressor and pneumatic hammer drilling.
对本文计算出的气体钻井流体动力学参数在油田进行了试验验证。
参考来源 - 气体钻井工艺技术理论及应用研究