This paper based on the characteristics of recycling economy, presented some ideas on its development of Chai damu resources exploit.

 
  • 本文根據循環(huán)經(jīng)濟的特點(diǎn),對柴達木資源開(kāi)發(fā)中發(fā)展循環(huán)經(jīng)濟提出了一些看法。
今日熱詞
目錄 附錄 查詞歷史
国内精品美女A∨在线播放xuan