Water-soluble crude polysaccharide has been extracted by acid from corn cob. G.

 
  • 從玉米芯(corn-cob)中提取出酸提水溶性粗多糖,經(jīng)G.
今日熱詞
目錄 附錄 查詞歷史
国内精品美女A∨在线播放xuan