格式:pdf
大小:48KB
頁數: 1頁
時下,許多百姓以窗材的更新換代是從木窗、鋼窗到鋁合金窗、塑鋼窗,認為塑鋼窗是先進高級的第四代窗。對于這種看法,建筑裝飾協會鋁制品委員會理事長兼秘書長彭政國說,這種誤解不僅在百姓中,在業內也存在。他們認為鋁合金窗框導熱,而塑鋼窗框隔熱,節約能源。其實,窗框只占窗面積很小的一部分(僅為玻璃的幾十分之一),窗戶愈大,所占比例愈小,從傳熱學觀點來講,窗的結構和玻璃才是保溫節能的關鍵。
格式:pdf
大小:2.7MB
頁數: 7頁
Shandong Sheng-tai steel scaffold factory was established in 2002, covers an area of 20000square meters, a total investment of 50000000yuan, is the northern region's largest roof parts production enterprises. Located in China's logistics city ---- Shandong Linyi, has a modern logistics base. Committed to energy saving, dedicated business philosophy of environmental protection and strive to bu