| drill |
To switch cars in a yard. Also, the switch engine itself.
출처: www.lionel.com/GettingStarted/Guides/a-f.html
|
|---|---|
| drill |
The shallow, straight and narrow furrow in which seeds are sown outdoors.
출처: www.unwinsdirect.co.uk/
|
| drilling |
Piercing a hole in rock. In exploration, drilling allows for samples of the rock to be taken. In mining, it is used to insert explosives for blasting.
출처: www.nrcan.gc.ca/mms/scho-ecol/glos_e.htm
|
| drilling |
The operation of producing a hole by removing material from a solid mass using a cutting tool called a drill.
출처: hannawestside.anderson5.net/academyofengineering/R...
|
| drill |
mechanical device for sowing seed in furrowed lines.
출처: www.riparianbuffers.umd.edu/dictionary.html
|