검색결과 : 1건
No. | Article |
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1 |
A new method of drilling long boreholes in low permeability coal by improving its permeability Lu YY, Liu Y, Li XH, Kang Y International Journal of Coal Geology, 84(2), 94, 2010 |
No. | Article |
---|---|
1 |
A new method of drilling long boreholes in low permeability coal by improving its permeability Lu YY, Liu Y, Li XH, Kang Y International Journal of Coal Geology, 84(2), 94, 2010 |