drill rig
English
Alternative forms
Noun
drill rig (plural drill rigs)
- Used other than figuratively or idiomatically: 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.
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- An oil rig.