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wang ge shi fang ding mei zhi jia de ying yong
Author(s): 
Pages: 14-16
Year: Issue:  S1
Journal: Shaanxi Machinery

Keyword:  放顶煤支架 煤矿 经济效果;
Abstract: 论述了网格式放顶煤液压支架的结构特点以及在放顶煤开采当中的适应性探讨 ,并进行了普通高档普采与网格式放顶煤支架的效益分析。
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