国偷自产AV一区二区三区健身房_亚州巨乳成人片_不许和陌生人说话短剧免费观看_亚洲乱码伦小说区_免费H成年动漫在线播放网站_秋霞在线观看秋秋霞_色哟哟视频_www.少妇影院.com_伊人最新网址_谁有a网站_国产精品日本无码久久一_成人黄色免费网址_波少野结衣色在线_91麻豆精品国产一级_97国产在线观看_糈精国产xxxx在线观看_农场主的三个女儿们美国1976_老师的奶水在线观看_哥哥妹妹撸 色原网站_影音先锋最新资源网

The product has high transparency, high stiffness, excellent thermal stability, excellent water-proof, oil-proof and chemical-proof and good barrier property.
　　Widely used in protective packaging such as pictures、certificates、documents and office supplies.