Relation between Drilling Speed and Extent of Rock Breakage[J]. COAL GEOLOGY & EXPLORATION, 1985, 13(1): 54-56.
Citation:
|
Relation between Drilling Speed and Extent of Rock Breakage[J]. COAL GEOLOGY & EXPLORATION, 1985, 13(1): 54-56.
|
Relation between Drilling Speed and Extent of Rock Breakage[J]. COAL GEOLOGY & EXPLORATION, 1985, 13(1): 54-56.
Citation:
|
Relation between Drilling Speed and Extent of Rock Breakage[J]. COAL GEOLOGY & EXPLORATION, 1985, 13(1): 54-56.
|