The reasons and mechanism of water intaking difficulty in North Nenjiang Diversion Project during dry seasons were analyzed.

　
英 美
  • 探討了北部引嫩工程(以下簡(jiǎn)稱(chēng)“北引”)枯水期出現引水危機的成因和機理。
今日熱詞
目錄 附錄 查詞歷史
国内精品美女A∨在线播放xuan