The Study of Reasonable Section Coal Pillar Size of Men Keqing Mechanized Longwall Mining Face
نویسندگان
چکیده
منابع مشابه
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ژورنال
عنوان ژورنال: Mine Engineering
سال: 2015
ISSN: 2329-7301,2329-731X
DOI: 10.12677/me.2015.32005