... large rotary drilling rig 大型旋挖钻机 Rotary drilling rig construction 旋挖钻机 Components of Rotary Drilling Rig 钻井系统部件 ...
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The rotary drilling rig excavation in Yingbin Road station means the start of the station enclosure construction.
迎宾路站旋挖钻机开挖，意味着该站围护施工的开始。
Rotary drilling rig is used in bored pile construction of No. 1 and No. 2 Yongning River Bridge in Hefei-Nanjing Railway.
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。
Due to the rotary drilling rig characteristics of high efficiency, less pollution, more functional, it has been widely applied in the pile foundation construction.
旋挖钻机因其效率高、污染少、功能多的特点，在桩基施工中得到了广泛应用。
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