LONGWALL PRACTICE AND MULTI-SEAM WORKING.

被引：0
|
作者：
Hunter, J.R.
机构：
来源：
Proceedings of the Society of Photo-Optical Instrumentation Engineers | 1980年
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D O I：
暂无
中图分类号：
TD [矿业工程]; P61 [矿床学];
学科分类号：
0709 ; 081803 ; 0819 ;
摘要：
The author discusses the precepts which apply to planning longwall mining. Various retreat layouts are shown.
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