The results showed that the digestive system is composed of fore-gut, mid-gut, hind-gut and digestive gland.

结果表明，克氏螯虾消化系统包括消化道和消化腺。

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The results showed that the digestive system is composed of fore-gut, mid-gut, hind-gut and digestive gland.

结果表明，克氏螯虾消化系统包括消化道和消化腺。

youdao