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국문기준표준용어 영문기준표준용어 띠판압연기 조직안정화열풀림 구조용 복합재료 조직민감성질 스터드 볼트
MINING . This page primarily focuses on metallurgical mining, though many of the terms, processes, and concepts are the same within the nonmetallurgical extraction ...
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SURFACE COAL MINING MANAGEMENT. Paul Westcott. The geological characteristics of surface coal mining which distinguish it from other surface mining are the nature of ...
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