| 1. | So they flew through a flaw in the flue
因此,他们飞过了一只风管上的一个缺口 |
| 2. | Air - duct installation method of clean air - conditioning
净化空调风管安装方法 |
| 3. | A / c duct and vent duct structure of w / h deck
驾驶甲板空调、机械风管结构。 |
| 4. | Closure systems for use with rigid air ducts
同刚性风管一起使用的密闭系统 |
| 5. | Direct calculation method of air duct frictional resistance
风管摩擦阻力的直接计算方法 |
| 6. | Compare between oval duct and rectangular duct
椭圆管和其他风管的比较 |
| 7. | The major adventage , of the oval tuber pipe is
椭圆风管主要优点为： |
| 8. | The standard for safety for factory - made air ducts and air connectors
厂制风管和风管接头的安全标准 |
| 9. | Factory - made air ducts and air connectors
厂制风管和风管接头 |
| 10. | Heat gain and temperature rise in low temperature air supply system
低温送风空调系统的风管得热与温升 |
