1.Analysis of Causes on Rotary Rig Speed Dropdown and Its Prevention
旋挖钻机掉钻的原因分析及预防处理
2.Application of Rotary Rig in Hard Rock Drilling for Foundation Project of One Power Station
旋挖钻机在某电厂桩基工程硬岩地层中的应用
3.Process and Quality Control of Double Tube Casing for Rotary Rig
旋挖钻机用双层套管的加工工艺和质量控制
4.The research sketch of digital control system for rotary rig
旋挖钻机数字控制系统的研究现状
5.Practice of Rotary Rig in Center Piles in Liangmahe Station of Beijing Subway
北京地铁亮马河车站中桩柱旋挖钻机施工实践