论文部分内容阅读
塑钢门窗在推广应用中 ,容易被人们误认为是钙塑门窗的改进产品。出现于20世纪60年代末的钙塑门窗 ,既无密封附件 ,又容易断裂 ,在人们心目中留下了不良的印象。而人们对新型塑钢门窗的特性和质量了解甚少。要全面正确地认识塑钢门窗 ,首先应从两者的特性上加以区别。一、
Plastic doors and windows in the promotion and application of easy to be mistaken for people as calcium-plastic windows and doors to improve the product. Appeared in the late 60s of the calcium-plastic doors and windows, neither sealed attachment, but also easy to break, in the minds of people left a bad impression. People have little understanding of the characteristics and quality of the new steel doors and windows. To fully and correctly understand the steel doors and windows, we should first distinguish between the two characteristics. one,