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dao zuo shi qie yan yi ci cheng xiang jue jin shi gong gong yi yan jiu
Pages: 32-33,67
Year: Issue:  5
Journal: Coal

Keyword:  导硐式切眼一次成巷掘进施工工艺;
Abstract: 王庄煤矿在综放工作面切眼掘进施工当中,针对一次切、二次切分别掘进时出现的材料浪费、工期过长的问题进行了改进,提出了导硐式切眼掘进施工方法,在掘进时一次成巷,提高了掘进施工水平。
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