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塑钢窗是更新换代新型产品，是属节能性的。本文以不同类型窗耗热和构造进行分析，说明了塑钢窗的保温节能效益。
Plastic window is a new generation of replacement products, it is energy-saving. This article analyzes the heat consumption and structure of different types of windows, and illustrates the heat preservation and energy saving benefits of plastic steel windows.