Narrow gauge track panel 4 m (Underground Mine and Shaft Works)
A 4 m panel of 750 mm gauge track: a ballast bed, timber sleepers on 0.6 m centres and flat bottom rail with the rail head 0.28 m above the drift floor.
- 格式
- GLB
- 文件大小
- 10 KB
- 三角面
- 172
- 许可
- CC0 1.0