对内螺纹铜管尺寸优化、铝箔厚度减薄前后的空调热交换器进行了单体性能实验和整机性能实验对比。
The performance experiments on separate heat exchanges and integrated air conditioners before and after optimizing the inner grooved copper tube and reducing the thickness of aluminum foil are made.
本文讨论了用铝箔隔热的基本原理和R _ k值的计算，提出了表面贴铝箔的绝热空气间层的合理厚度值。
In this paper the rationale of thermal insulation using aluminium foil as well as the calculation of RK values is described, and the rational thickness values of the air interface layer are presented.
烤面包用铝箔纸印刷铝箔，简介：厚度为0.012(可订制在0.007 - 0.050 mm之间)，可根据客户的需求来压纹及印色。
Chocolate aluminum foil Description: thickness 0.012 0.007-0.050mm can be ordered in between, according to customer's needs embossed and printed color.
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