Đang tải... (xem toàn văn)
w Thdng tin khoa hoc cdng nghe md NGHICN Cl/U Lira CHON CONG NGHC CO GIOI HOll KHfll THAC • • • CÎ C vin THAN AAONG (< 2M) Dd''''c THO^I DCN NGHICNG vung than Qudng Ninh According to the evaluation of t[.]
w Thdng tin khoa hoc cdng nghe m d NGHICN Cl/U Lira CHON CONG NGHC CO GIOI HOll KHfll THAC • • • CI^C vin THAN AAONG (< 2M) Dd'c THO^I DCN NGHICNG vung than Qudng Ninh According to the evaluation of the geological and coal resource conditions at Quang Ninh coal basin, the thin coal seams have been largely distributed and accounted for a significant ratio In the total coal ^'^" ^hoa resources The paper represents the study on the selection of the mechanization technology for mining the thin coal seams (