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1·The sales, maintenance and service of rotary drilling rig drill rod;

旋挖钻机钻杆的销售、维修、服务；

2·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。

3·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。

4·The utility model discloses an adjustable display support and relates to the adjustable display support which is used in a driving cab of a rotary drilling rig.

本实用新型可调显示器支架涉及一种用于旋挖钻机驾驶室内的可调显示器支架。

5·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。

6·GCF-20A reverse circulation percussive rotary drill rig is a multi function drill rig with percussive drilling as the main means and rotary drilling as supplemented.

GCF - 2 0a型冲击-回转反循环工程钻机是以冲击钻进为主、回转钻进为辅的多功能钻机，可适应软、硬岩石等不同地层钻进的要求。

7·GCF-20A reverse circulation percussive rotary drill rig is a multi function drill rig with percussive drilling as the main means and rotary drilling as supplemented.

0a型冲击-回转反循环工程钻机是以冲击钻进为主、回转钻进为辅的多功能钻机，可适应软、硬岩石等不同地层钻进的要求。

8·Main parts such as crownblock, mast, substructure, rotary table and travelling system of drilling rig meet API standard.

钻机天车、井架、底座、转盘及游动系统等主要配套件符合API规范。