Difference between revisions of "Shore hardness"
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Latest revision as of 17:40, 10 February 2006
암석의 파괴강도를 나타낸다.
터널굴진기에 의한 암석의 파괴강도등을 상정하기 위하여 측정함
- This page was last edited on 10 February 2006, at 17:40.
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