| 1. | Fire resistance test method of ventilation ducts 通风管道的耐火试验方法 |
| 2. | Ventilation duct for residential kitchen 住宅厨房排风道 |
| 3. | My ventilation ducts will be too small to crawl through 我所属的建筑物通风孔将会小到没有任何人爬的进去 |
| 4. | Fume extractor and dedulfurizing installation : wet and dry ventilation duct 排烟脱硫装置:温式干式通风道 |
| 5. | My ventilation ducts will be too small to crawl through 我所有的建筑物通风管道将会小到没有任何人爬的进去 |
| 6. | My castles ' ventilation ducts will be too small to crawl through 我所属的建筑物通风孔将会小到没有任何人爬的进去 |
| 7. | Stereoscopic ventilation in warehouse installed double - decker ventilation duct system 房式仓双层风网立体通风熏蒸试验报告 |
| 8. | Technical specification for glass filer ventilation duct with magnesium oxy - chloride cement 玻璃纤维氯氧镁水泥通风管道技术规程 |
| 9. | Technical standard for glass fiber magnesium oxychloride cement and composite material ventilation duct 玻璃纤维氯氧镁水泥通风管道技术规程 |
| 10. | Fire tests on building materials and structures - method for determination of the fire resistance of ventilation ducts 建筑材料和结构的燃烧试验.第24部分:通风管道耐火性的测定方法 |