大同煤田石炭系厚及特厚煤层采煤方法的选择与评价

大同煤田石炭系厚及特厚煤层采煤方法的选择与评价的英文翻译

基本释义

• Selection and evaluation of the mining methods for the thick and extra-thick coal seams of the Carboniferous System in Datong mining area