| thimble |
1. coping. 2. see thimbling.
출처: www.mercksource.com/pp/us/cns/cns_health_library.j...
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| thimble c. |
a small, thin-walled ionization chamber, usually with walls of organic material; used as a dosimeter.
출처: www.mercksource.com/pp/us/cns/cns_health_library.j...
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