Shanxi Province is rich in the resources of beauxite.But because 80% of it is low-grade ore, its production cost is high, being short of competitive power in the market.

 
  • 山西省铝土矿资源十分丰富,但由于80%25以上为贫矿,故生产成本高,缺乏竞争力。
今日热词
目录 附录 查词历史