Plastic barrier, adopted hard UPVC material, is a recycling high molecular compound being non-toxic, anti-ultraviolet radiation and anti-oxidation.是什么意思_Plastic barrier, adopted hard UPVC material, is a recycling high molecular compound being non-toxic, anti-ultraviolet radiation and anti-oxidation.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句