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retort pouch 閉口密封袋〔可將食物密封,使其在非低溫情況下仍能長期保存...

retortion

General packaging materials include : 3 - side seal , center seal , side seal with gusset , center seal with gusset , tray lid , rolls , retort pouch ( this pouch may look like other regular pouches , but it actually made up of different kinds of materials which enable the pouch to be heated and sterilized ) 其它包裝材料包括:三邊封袋,中封袋,風琴袋,中間封風琴袋,封口膜,卷膜,蒸煮袋(袋子本身可以在蒸或煮的高溫情況下使用,對內包物進行加熱和殺菌) 。