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蚕茧-蚕茧，通常指桑蚕茧。桑蚕蛹期的囊形保护层，内含蛹体。保护层包括茧衣、茧层和蛹衬等部分。茧层可以缫丝，茧衣及缫制后的废丝可作丝棉和绢纺原料。-canjian</br> generated by yvsou girl
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(28.56701.236.7261.7281.7318)
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(28.56701.236.7261.7281.7318)