rotary rig

常见例句

It is a walking-frame rotary drill rig , suitable for industrial and civil piling construction.
该机是适应于工业与民用建筑桩基础施工的步履式螺旋钻机。
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。
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。
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