The volatilization-temperature of lignite is independent of oxygen concentration when oxygen concentration bigger than 30%.

 
  • 褐煤揮發(fā)分析出溫度在氧氣濃度大于30%25時(shí)不受氧氣濃度影響。
今日熱詞
目錄 附錄 查詞歷史
国内精品美女A∨在线播放xuan