dry riser
基本解釋
- 干式豎管
英英字典
- a vertical pipe, not containing water, having connections on different floors of a building for a fireman's hose to be attached. A fire tender can be connected at the lowest level to make water rise under pressure within the pipe ( abbr: DR)
柯林斯英英字典
專業(yè)釋義
- 干式豎管
- 消防干上水喉