In duct outside wall surface density according to choose the uniform paste insulation cotton nail, usually every square metre 8-12.
在风管外壁根据选用的面密度均匀粘贴保温棉钉，一般情况下每平方米8 - 12个。
In duct outside wall surface density according to choose the uniform paste insulation cotton nail, usually every square metre 8-12.
在风管外壁根据选用的面密度均匀粘贴保温棉钉，一般情况下每平方米8 - 12个。
应用推荐