elevator shaft
短语词组
- elevator bottom shaft 电梯井
- elevator r shaft 升降机井
- elevator bottom shaft bush 升降机轴衬
- elevator r shaft gates 升降机井门
- elevator shaft gates 升降机井门
- blank elevator shaft 分级电梯井
- Boiler elevator shaft 锅炉电梯槽;锅炉电梯井
- main elevator shaft 提升机主轴
- Boiler steel elevator shaft 锅炉电梯井钢结构 返回 elevator shaft