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- W2391032934 abstract "Chinese thin and extremely-thin coal-seam resource is rich.It distributes in 84.2% of proven mining areas and its amount riches 67Gt.In recent years,thick and medium-thick coal reserves are decreasing in some mines with mining intensity increasing.In order to ensure balancing mining ability,prolonging mine service age and improving resources mining ratio,high-efficient thin coal-seam mining has become a key urgent problem at present.This paper discussed merits and demerits of thin coal-seam mining methods including blasting mining,conventional-mechanized mining and full-mechanized mining.It mainly introduced new development of thin coal-seam mechanized mining equipments including drum shearer,plough and twist drill in the 11th Five-year Period.It also put forward development tendency of thin coal-seam mining and several urgent and key technologies needed to be developed in the 12th Five-year Period." @default.
- W2391032934 created "2016-06-24" @default.
- W2391032934 creator A5037015805 @default.
- W2391032934 date "2012-01-01" @default.
- W2391032934 modified "2023-09-26" @default.
- W2391032934 title "Discussion on Status and Development Tendency of Thin Coal-seam Mining" @default.
- W2391032934 hasPublicationYear "2012" @default.
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