化工原料矿产

  • 网络mineral material for chemical industry
化工原料矿产化工原料矿产
  1. 江苏化工原料矿产资源及开发利用

    Development and Application of Raw Chemical Minerals in Jiangsu Province

  2. 中国化工原料用非金属矿产资源分布不均衡。

    Nonmetallic mineral resources used as chemical raw materials are distributed in unbalance in China .