Recently? our country livestock husbandry development quick? head for gradually the industry turn? increasing the way be put by traditional expand production type face modern intensive type change.

 
  • 目前,我國畜牧業(yè)發(fā)展迅速,逐步走向產(chǎn)業(yè)化,增長(cháng)方式由傳統的粗放型向現代的集約型轉變。
今日熱詞
目錄 附錄 查詞歷史
国内精品美女A∨在线播放xuan