Determination of protection range of mining upper protective layers and its numerical simulation

Journal of Coal Science and Engineering (China) - Tập 18 Số 4 - Trang 368-373 - 2012
Zhimin Song1, Xin-chun Gao1, Kun-yun Tian1
1Department of Safety Science & Engineering, Henan Institute of Engineering, Zhengzhou, China

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Tài liệu tham khảo

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