The adjusting mining technology of combining fully mechanized with individual prop, rotating, hilt, irregular form, and double unit face on thin coal seam of Tianchen Mine
Hua-ling Song, Guo-feng Wen, Jin-ke LiVolume:
14
Language:
english
Pages:
5
DOI:
10.1007/s12404-008-0009-1
Date:
March, 2008
File:
PDF, 251 KB
english, 2008