Introductions were give to general situation about green agriculture, producing technology and inspecting criterion of quality and safety of green farm produce.

　
英 美
  • 介紹了國內外無(wú)公害農業(yè)發(fā)展概況、無(wú)公害農產(chǎn)品生產(chǎn)技術(shù)和無(wú)公害農產(chǎn)品質(zhì)量安全檢驗標準。
今日熱詞
目錄 附錄 查詞歷史
国内精品美女A∨在线播放xuan