· 181f coal cutter (r continuous miner (t (base) j (y (plow) o shearer-loader - (y (massive) top...
- Home
- Documents
- · 181F coal cutter (r Continuous Miner (t (Base) j (Y (Plow) O shearer-Loader - (Y (massive) Top Slicing (f Panel Caving (Y Mass Caving (Y Block Caving O
10
Upload: dangnhu
Post on 20-Sep-2018
213 views