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我们来养蚕

我们来养蚕. 克拉玛依第十九小学 文屏. 蚕丝. 养蚕文化是我国传统文化的精华之一。 蚕丝具有优良的特性和很高的经济价值 , 它是最长的天然动物性蛋白纤维.

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我们来养蚕

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  1. 我们来养蚕 克拉玛依第十九小学 文屏

  2. 蚕丝 • 养蚕文化是我国传统文化的精华之一。 • 蚕丝具有优良的特性和很高的经济价值,它是最长的天然动物性蛋白纤维.

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