Widened drift chamber (Underground Mine and Shaft Works)
A 6 m by 8 m widened chamber module for parking, pumping or storage, with arched drift openings at both ends, a heavier steel roof frame and a raised concrete equipment plinth.
- 格式
- GLB
- 文件大小
- 33 KB
- 三角面
- 636
- 许可
- CC0 1.0