煤柱宽度/m | 掘进期间 | 回采期间 |
3 | 333.7 | 561.3 |
4 | 315.2 | 509.7 |
5 | 309.0 | 361.3 |
6 | 377.0 | 400.0 |
7 | 426.4 | 425.8 |
8 | 414.0 | 445.2 |
9 | 407.9 | 438.7 |
10 | 370.8 | 458.1 |