Lightweighting of beverage bottles, especially polyethylene terephthalate (PET), is one of the most prevalent trends in packaging.是什么意思_Lightweighting of beverage bottles, especially polyethylene terephthalate (PET), is one of the most prevalent trends in packaging.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句