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买回来的大闸蟹怎么鉴别新不新鲜
更新时间: 2020-08-20 00:00:00  

1、拿起捆绑好的大闸蟹,用手碰螃蟹眼睛,观察螃蟹是否眨眼,眨眼表示螃蟹很新鲜。

2、取半盆水,把捆绑好的蟹放入水中,观察螃蟹的嘴巴是否吐气泡,吐气泡表示螃蟹很新鲜。

3、碰蟹爪,把最细小的蟹爪拉直,观察是否很快自然弯曲,如果很快自然弯曲表示螃蟹很新鲜。

4、解开捆绑好的蟹,观察螃蟹是否爬行,能爬行表示螃蟹很新鲜。

关键词: 回来 闸蟹 怎么 鉴别 新鲜

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