| bore |
a narrow, lined hole that is drilled to withdraw groundwater from an aquifer.
출처: www.artistwd.com/joyzine/australia/strine/b-6.php
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| bore |
the inside diameter of a pipe or a drilled hole.
출처: www.fi.edu/fellows/fellow2/jan99/new/oilvocab.html
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| bore |
Construction method for tunnels which involves digging a tube-like passage through the earth. Usually refers to mountain tunneling. See drill and blast.
출처: pghbridges.com/termsTun.htm
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| bore |
To pierce solid rock or make a hole with a drill auger or other instruments involving rotation and/or percussion.
출처: laurentian.ca/engr/people/lrudd/MININGDEFANDTERMS....
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| bore |
the diameter of a cylinder.
출처: www.autocenter.com/about/
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