肠衣可以是动物的肠、石蜡处理的纤维袋或合成塑料肠衣及重组的胶原质。
Casings may be intestine, paraffin-treated fabric bags, or synthetic sleeves of plastic or reconstituted collagen.
胶水：一种强液体粘剂，通过煮胶原质的动物部分如骨胳，皮革和蹄，把它们煮成硬动物胶然后加水而制的。
A strong liquid adhesive obtained by boiling collagenous animal parts such as bones, hides, and hooves into hard gelatin and then adding water.
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