J4 ›› 2011, Vol. 19 ›› Issue (4): 77-79.
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WU Xiangyang
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[1]徐平,徐润.CY -D 型取样机的自动化控制[J].选煤技术,2001,(2):43-44. |
[1] | YANG Jiguang. Application of Underhand Drift Bottom Cementing Back -filling Method in Jiaojia Gold Mine [J]. J4, 2011, 19(5): 33-36. |
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