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