6分彩

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                复合阀口袋▃

                又称三层复合袋,由塑胶与Ψ牛皮纸复合而成,通常塑胶层采用聚丙烯( PP)或聚乙烯(PE)为基↑材的编织布,牛皮纸则采用精制复合专用牛♀皮纸,具有强高度,防水性好,外观漂亮的特点。被广泛应用在塑胶原料、水泥、化工、建筑、饲料、食物等行业。