Laowan

常見例句

• The magmatic dynamics of the Laowan granite and its relations with mineralization in Tongbai, Henan.
  河南桐柏老灣花崗巖巖漿動力學與成礦。
• Rare Earth Element Geochemical Characteristics of Laowan Gold Deposit in Henan Province: Trace to Source of Ore-Forming Materials
  河南老灣金礦床稀土元素地球化學對成礦物質來源的示蹤
• Laowan gold deposit
  老灣金礦
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