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This is a mechanical drill used to clean away any excess bacterial damage to the tooth and prepare a hole in the tooth to accept a filling.
출처: www.mosmandentist.com.au/main/terminology.htm
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| drill |
A piece of equipment for seeding that is pulled behind a tractor. The drill is used to plant wheat and other small seed crops. It makes a long groove in the soil, drops the seeds into it and then covers and firms the soil above the seed.
출처: www.cyberspaceag.com/kansasagriculture/glossary.ht...
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| drilling |
the process by which a hole is bored into the earth, usually to find and remove subsurface formation fluids such as oil and gas
출처: www.careersinoilandgas.com/general/glossary.cfm
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| drill |
An exercise involving a portion or part of a stroke, used to improve technique.
출처: www.sundevilaquatics.com/parentscorner/glossary_te...
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| drill |
A shallow straight furrow for sowing seeds.
출처: gardening.allinfo-about.com/articles/glossary2.htm...
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