短語詞組短語mushroom chitin 左鏇肉堿glycol chitin 幾丁質(zhì)Collodial chitin 膠狀幾丁質(zhì)medical chitin 毉用幾丁糖ultrafine chitin 超細甲殼素Chitin Helmet 甲殼頭盔chitin derivative 甲殼素衍生物 返回 chitin