TY - Gold Science and Technology A1 - LU Aizhen ,DU Yunlong ,XIU Xinmin T1 - REINFORCEMENT PRACTICE OF 1 # MAIN CHUTE IN ONE MINE Y1 - 2002-08-28 JF - Gold Science and Technology JO - Gold Science and Technology SP - 22 EP - 25 VL - 10 IS - 4 UR - http://www.goldsci.ac.cn N1 - ER -