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fan jing zuan ji zai gai zao kuang jing sheng chan xi tong zhong de ying yong
Author(s): 
Pages: 34-35,56
Year: Issue:  5
Journal: COAL

Keyword:  反井钻机钻下煤(矸)立眼改造采区生产系统;
Abstract: 四川华蓥山广能(集团)有限责任公司利用反井钻机改造了各矿井传统的采区溜煤系统,增大了采区煤仓容量,使90%以上的巷道及开切眼的掘进煤都能进入煤仓,对提高采掘工作面的生产能力和改善安全起了很大作用.
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