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的可調顯示器支架。
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