Such kind of clay can be used as high mobility material in paper industry.And karst diaspore bauxite deposits belong to bioorganic sedimentary deposits.

 
  • 又我國硬水鋁石巖溶鋁土礦,應屬于生物有機質(zhì)成礦作用的沉積型鋁土礦。
今日熱詞
目錄 附錄 查詞歷史
国内精品美女A∨在线播放xuan