耐火管道 meaning in Chinese
fire resisting duct
fire resisting trunking
fire-resisting duct
Examples
- Fire classification of construction products and building elements - classification using data from fire resistance tests on products and elements used in building service installations : fire resisting ducts and fire dampers
施工产品和建筑部件燃烧性能分类.根据由建筑设施中使用产品和部件的耐火性试验数据分类:耐火管道和火焰阻燃器