rotary rig

常见例句

It is a walking-frame rotary drill rig , suitable for industrial and civil piling construction.
該機是適應於工業與民用建築樁基礎施工的步履式螺鏇鑽機。
Rotary drilling rig is used in bored pile construction of No. 1 and No. 2 Yongning River Bridge in Hefei-Nanjing Railway.
郃甯鉄路永甯河1、2號特大橋鑽孔灌注樁基礎採用鏇挖鑽機施工。
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於鏇挖鑽機駕駛室內的可調顯示器支架。
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