Laowan
基本解释
- 老灣
英汉例句
- 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鑛。 - Rare Earth Element Geochemical Characteristics of Laowan Gold Deposit in Henan Province: Trace to Source of Ore-Forming Materials
河南老灣金鑛牀稀土元素地球化學對成鑛物質來源的示蹤 - Laowan gold deposit
老灣金鑛