rotary rig

常見例句

It is a walking-frame rotary drill rig , suitable for industrial and civil piling construction.
該機是適應于工業(yè)與民用建筑樁基礎施工的步履式螺旋鉆機。
Rotary drilling rig is used in bored pile construction of No. 1 and No. 2 Yongning River Bridge in Hefei-Nanjing Railway.
合寧鐵路永寧河1、2號特大橋鉆孔灌注樁基礎采用旋挖鉆機施工。
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.
本實用新型可調顯示器支架涉及一種用于旋挖鉆機駕駛室內(nèi)的可調顯示器支架。
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