Font Size:
a
A
A
Keyword [Soft rock roof]
Result: 1 - 3 | Page: 1 of 1
1.
Research On Support Technology Of Mining Roadway In Extra-thick Coal Seam Of Soft Rock Roof
2.
Study On The Development Law Of Repeated Mining Induced Water-conducted Fissures And Mining Upper Limit Under The Condition Of Soft Rock Roof
3.
Study Of Aquiferous Soft-rock Roof Support Technology In 11 Mining Area 2 Coal Aquifer Of The Maiduoshan Coal Mine
<<First
<Prev Next>
Last>>
Jump to