Optimization Methods of Layout Distance of Gas Drainage Borehole in Coal Seam Being Worked
YU Bao-hai
LING Zhi-qian
LIU Guo-zhong
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Publication Date：2009-01-01
Online Publishing Date：2025-08-15(First online date of this platform, not the publication date of the document)
Pages：3( 25-27 )