drill rig

English

drill rig (plural drill rigs)

Used other than with a figurative or idiomatic meaning: see drill,‎ rig.
- (Can we date this quote?), Iqtidar H. Siddiquiyear=1979, Irrigation canals: planning, design, construction, and maintenance:
  In sandy strata, 7 to 9 inches diameter holes are drilled with a percussion type drill rig.
- 2001, William A. Hustrulid, Richard L. Bullock, Underground Mining Methods, page 224:
An oil rig.

单词	drill rig
释义	drill rig English Alternative forms drilling rig Noun drill rig (plural drill rigs) Used other than with a figurative or idiomatic meaning: see drill,‎ rig. (Can we date this quote?), Iqtidar H. Siddiquiyear=1979, Irrigation canals: planning, design, construction, and maintenance: In sandy strata, 7 to 9 inches diameter holes are drilled with a percussion type drill rig. 2001, William A. Hustrulid, Richard L. Bullock, Underground Mining Methods, page 224: An oil rig.
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