jiing-feng is a dynamic Object Oriented based open source portal script written in PHP. ... 塑鋼窗的優點 PVC塑膠可無限次回收使用,不會造成環境污染 一. 節約能源建材: 塑鋼窗隔熱性佳,因其熱傳導係數只有鋁材之1/1250倍,係數越低導熱越慢,可減少冷熱能 源傳 ...
www.jiing-feng.com