For painting PVC sheet, Krylon works well because it really bonds to that type of plastic, and the darker colors in this common spray paint really hold up outdoors quite well.
该喷漆非常适合PVC这种类型的塑料材质，并且深颜色在户外展板中的作用是非常明显的。
The scientists say widespread exposure through food and liquid containers occurs when the chemical bonds which hold bisphenol a in the plastic degrades.
科学家表示当塑胶中含有双酚a的化学键退化时就会通过食品和液体容器广泛暴露。
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