螺旋风管的种类：
Type of spiral duct:
螺旋风管市场上按材质一般分为三类：镀锌螺旋风管、不锈钢螺旋风管以及复合螺旋风管。其中，不锈钢风管质量最好，适用性...[2022-09-22]

通风管道工程量计算规则
Calculation rules for quantities of ventilation pipes
1, 薄钢板风管
1. S...[2022-09-17]

金属风管的制作中对板材的要求如下：
The requirements for plates in the fabrication of metal air ducts are as fo...[2022-09-07]

通风管道与附件的制作及安装
Fabrication and installation of ventilation pipes and accessories
1、在第一道...[2022-08-13]

什么是风管，常见风管有哪些类型
What is air duct and what are the common types of air duct
风管主要指中央空调系统...[2022-08-06]

通风系统试验应符合下列规定：
The ventilation system test shall meet the following requirements:
1、防毒...[2022-08-02]

通风预埋短管如何制作、安装？
How to make and install the ventilation embedded short pipe?
施工单位应对各种需要...[2022-08-02]

风管安装前未清除内部杂物
The internal sundries of the air duct are not removed before installation
...[2022-07-26]