She also prepared some of the paint-like coatings with no additive. That would let her judge whether a powder-versus the transparent goop it was added to-affected a shingle's reflectivity, she explains.

  • 同时她也准备了无任何添加的类似涂料的东西,这样她能判断单纯的粉状物以及添加了透明物质的粉状物是否会对屋顶光的反射产生影响。

  • 互联网摘选 2025-01-20 17:40:27

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