Stair Tower (Nuclear Power Station and Control Room)
A bolted steel stair tower climbing 4 m in two flights round a half landing: ten grating treads a flight on channel stringers, a grating landing at each level on edge beams, four corner columns, and a sloped rail on posts up both sides of every flight.
- 格式
- GLB
- 文件大小
- 350 KB
- 三角面
- 8,380
- 许可
- CC0 1.0