The ore-forming materials of Erdaogou gold deposit in Beipiao, Liaoning Province originating from Archean gneiss and late Yanshan magmatite.是什么意思_The ore-forming materials of Erdaogou gold deposit in Beipiao, Liaoning Province originating from Archean gneiss and late Yanshan magmatite.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句