double drill column
double drill column
[¦dəb·əl ′dril ‚käl·əm] (mining engineering)
Two drill columns connected by a horizontal bar on which a drill machine can be mounted. Also known as double jack.
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- double cluster
- double Compton scattering
- double corner block
- double course
- double cropping
- double crossover
- double cross-vault
- double cusp
- double data rate
- Double Data Rate Random Access Memory
- Double Data Rate Synchronous Random Access Memory
- double decker
- double DECkers
- double decomposition
- double delta
- double density
- double descent
- double diffusion
- double diode
- double distribution
- Double Ditch State Historic Site
- double dome
- double door
- double dot halftone
- double drift
- double drill column
- double eaves course
- double ebb
- double egress frame
- double electron excitation
- double ender
- double entendre
- double exposure
- double extension
- double feathering
- Double Fertilization
- Double Fifth
- double Flemish bond
- double floor
- double format pavior
- double framing
- double frequency shift keying
- double galaxy
- double glazing
- double glue-down
- double group
- Double header
- double headings
- double hermeneutic
- double Hooke's joint
- double house
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- double displacement mechanism
- double distribution
- Double Ditch State Historic Site
- double dome
- double dome
- double domes
- Double Domination
- double door
- double door
- double door
- Double dot
- double dot halftone
- double dots
- double dots
- Double dotting
- Double double
- Double double toil and trouble
- Double double toil and trouble
- Double Down
- Double Down
- Double dragon
- Double draw
- Double draw
- double dribble
- double dribble
- Double Dribble (disambiguation)
- Double Dribble (disambiguation)
- Double dribbling
- Double dribbling
- double drift
- double drill column
- Double Drive Speaker System
- Double drum
- double drummer
- Double Drunk
- Double Dual Tandem Wheel
- double dummy
- Double Dummy Design
- Double Dummy Study
- Double Dummy Trial
- double Dutch
- double Dutch
- Double Dutch Contest Belgium
- Double dutching
- double duty
- Double Duty Heat Killer
- double dye
- Double Dynamic Focus System
- Double Dynamic Suspension
- Double Dynamic Suspension System
- double E PROM
- double eagle
- double eagle
- Double Eagle (U.S. coin)
- Double Eagle (U.S. coin)
- Double Eagle Coin of the United States
- Double Eagle Coin of the United States
- Double Eagle Holdings, Ltd.
- Double eagles
- Double eagles
- double eaves course
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