single ladder
相关英语词汇推荐
- floor load
- swash partition
- booster reel
- air duct smoke detector
- hydraulic friction loss
- eacape system
- HP fire water pump
- flammability indexing test
- roundway driveway
- damp bulb temperature contrast
- dense sky cover
- grandstand
- wet water foam
- water flow alarm valve
- bay
- manual reset type fire damper
- low energy fire
- AIIE;American Institute of Industrial Engineers
- smoke emission
- safety legislation