Mineral exploration made important progress in .coal, uranium, iron, gold, silver, copper, nickel, zinc, lead, antimony, tungsten, molybdenum, vanadium, kainite and characteristic non-metal.

 
  • 矿产勘查在煤、铀、铁、金、银、铜、镍、铅、锌、锑、钨、钼、钒、钾盐及特色非金属矿产等方面取得重要进展。
今日热词
目录 附录 查词历史