Laowan
基本解释
- 老湾
英汉例句
- The magmatic dynamics of the Laowan granite and its relations with mineralization in Tongbai, Henan.
河南桐柏老湾花岗岩岩浆动力学与成矿。 - Rare Earth Element Geochemical Characteristics of Laowan Gold Deposit in Henan Province: Trace to Source of Ore-Forming Materials
河南老湾金矿床稀土元素地球化学对成矿物质来源的示踪 - Laowan gold deposit
老湾金矿