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永宁河

永宁河

永宁河

1

旋挖钻机在永宁河特大桥不同地层中的应用

Application of Rotary Drilling Rig in Different Strata of Yongning River Bridge
2

永宁河四级电站导流洞塌方分析及处理

Analysis and Treatment on Collapse of Diversion Tunnel of Yongning River Hydropower Station ⅳ
3

合宁铁路永宁河1、2号特大桥钻孔灌注桩基础采用旋挖钻机施工。

Rotary drilling rig is used in bored pile construction of No.1 and No.2 Yongning River Bridge in Hefei-Nanjing Railway .

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