Gateway Retained Along Goaf Technology with Y Type Ventilation for No.1311 (1) Fully Mechanized Coal Mining Face in Dingji Mine
ZHU Yun-hui
DUAN Xian-ming
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Publication Date：2012-01-01
Online Publishing Date：2025-08-15(First online date of this platform, not the publication date of the document)
Pages：3( 37-39 )