The formation of gold deposit was strictly limited by sedimentary process, magamtism, structure process, metamorphism and geochemistry process.

 
  • 該區金礦的形成受沉積作用、巖漿作用、構造作用、變質(zhì)作用和地球化學(xué)作用所制約。
今日熱詞
目錄 附錄 查詞歷史
国内精品美女A∨在线播放xuan