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挖钻进

挖钻进

挖钻进

挖钻进

2

Practice of Rotary Drilling Techniques in Great Thick Silt Formation along the Coast

沿海巨厚淤泥地层中旋挖钻进施工技术实践

4

Research on the Bit Structure and Construction Technology of Rotary Drilling in Hard Rock and Gravel

旋挖钻进中硬岩及卵砾层钻头结构及施工工艺研究

5

Treatment and Prevention of Borehole Accidents in Rotary Drilling

旋挖钻进孔内事故的处理及预防

6

Several Experiences and Lessons from Casing Setting in Rotary Drilling

旋挖钻进施工中护筒埋设的几点经验教训

7

Prevention and Treatment of Bury Drills During Rotary Drilling

旋挖钻进埋钻事故的处理实例及预防措施

8

The Development and Application of Rotary Digging Technology and Equipment in China

我国旋挖钻进技术及设备的应用与发展

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