重庆市城口锰矿床地质特征及分层取样法的运用效果

重庆市城口锰矿床地质特征及分层取样法的运用效果的英文翻译

基本释义

• The Geological Features of Cheng-Kou Mn-ore Deposit of Chongqing and Their Applying Result of Drawing Samples Layer upon Layer