GrabCAD 模型信息
Trapdoor · 模型 128554
The trapdoor is a sliding or hinged door on the floor or ceiling. It is traditionally small in size. It was invented to facilitate the hoisting of grain up through mills, however, its list of uses has grown over time. The trapdoor has played a pivotal function in the operation of the gallows, cargo ships, trains.
- 格式
- SOLIDWORKS、Other、Snagit、Rendering、AutoCAD、STEP / IGES
- 分类
- Fixtures、Household、Interior design
- 标签
- metal、opening、hinges、door、ceiling、floor、trapdoor
- 数据更新
- 2026-10-15T20:05:32Z