rotary rig

常見例句

It is a walking-frame rotary drill rig , suitable for industrial and civil piling construction.
該機(jī)是適應(yīng)於工業(yè)與民用建築樁基礎(chǔ)施工的步履式螺鏇鑽機(jī)。
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(hào)特大橋鑽孔灌注樁基礎(chǔ)採(cǎi)用鏇挖鑽機(jī)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(shí)用新型可調(diào)顯示器支架涉及一種用於鏇挖鑽機(jī)駕駛室內(nèi)的可調(diào)顯示器支架。
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