通風(fēng)管道合口銜接時(shí)有哪些留意事項(xiàng)?　　What precautions should be taken when joining ventilation ducts?　　通風(fēng)管道的合

　　不同材質(zhì)的通風(fēng)管道自身的優(yōu)缺點(diǎn)？　　Advantages and disadvantages of ventilation pipes of different materials?　　普通

　　簡述通風(fēng)管道的部件安裝過程及方法　　Brief description of installation process and method of ventilation duct parts　

　　1、通風(fēng)管道在運(yùn)輸過程應(yīng)有防止損傷風(fēng)管的保護(hù)措施?！　? Ventilation pipes should be protected against damage during t

　　簡述通風(fēng)管道的部件安裝過程及方法　　Brief description of installation process and method of ventilation duct parts　

　　通風(fēng)管道在安裝過程中如何減少噪音？　　How to reduce the noise of Shandong ventilation pipeline during installation?

　　山東通風(fēng)管道如果其出現(xiàn)腐蝕現(xiàn)象的話，那么其原因是什么呢？其有什么危害呢？　　If there is corrosion in Shandong ventilatio

　　山東通風(fēng)管道支架在制作和設(shè)備時(shí)應(yīng)注意事項(xiàng)　　Matters needing attention in the manufacture and equipment of ventilation