钻孔

• Study of the digital panoramic borehole camera system
  数字式全景钻孔摄像系统研究
• Bored pile - jet grouting supporting structure
  钻孔灌注桩与喷射注浆组合支护结构
• Construction technique of deep - drill of outburst coal seam
  突出煤层深钻孔施工技术
• Glossary of mining terms - boring and exploration
  采掘术语.第3部分:钻孔和探测
• Researches on construction technology of bored piles
  钻孔灌注桩施工技术的探索
• They drilled boulder ? s for inserting dynamite
  他们在大石头上钻孔以便装炸药。
• It s suitable for pcb drill and ccl cutting
  适用于pcb业钻孔用垫板及ccl裁切保护用
• Currency technical condition for rail drilling machine
  钢轨钻孔机通用技术条件
• Simulation method on directional drilling - hole course
  定向钻孔轨迹的模拟方法
• Glass double heads vertical drilling machine slz225
  玻璃立式双头钻孔机slz225