It is a perfect new packing material and widely used in food-and medicine-packing for fresh keep and moisture proof.production and application of PVDC resin have a fine application prospect.是什么意思_It is a perfect new packing material and widely used in food-and medicine-packing for fresh keep and moisture proof.production and application of PVDC resin have a fine application prospect.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句