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《HEBEI COAL》 2000-01
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Discussion on methods of increasing unit production of fully mechanized caving in relatively thinner thick coal seam

CHAI Lian-yin (Yunjialing coal mine of Handan Coal Adminis., Wu'an 056301, China)  
By trial of fully mechanized caving in relatively thinner thick coal seam in Y.J.L. Coal Mine, the problems in mining are raised and the ways to increase its unit production are discussed.
【CateGory Index】: TD823.49
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