掘进

• Talking about the application of resin bolt in the cutting roadway
  浅谈树脂锚杆在掘进巷中的应用
• Role of crossing layer gas drainage technology in driving coal drift
  穿层抽放在煤巷掘进中的作用
• Excavation and supporting technology in rise roadway with large - angle
  大倾角上山巷道掘进支护技术
• Deep hole v cut blasting technology for tunnel excavation
  深孔楔形掏槽爆破技术在隧道掘进中的应用
• Smooth surface blasting technology in mine rock roadway excavation
  在岩石巷道掘进中的光面爆破技术
• Structure and parameters of the idler rollers for boom roadheaders
  悬臂式掘进机用支重轮结构与参数
• Performance and use of ebj - 120tp helldiver
  掘进机的性能及使用
• A discussion on the rational cutting types in hard - rock driving
  坚硬岩石巷道掘进合理掏槽型式的探讨
• Boom - type roadheader - the design guidelines for crawler mechanism
  悬臂式掘进机履带行走机构设计导则