The Laozanggou polymetallic ore ares is situated in the central part of the west section of the Indosinian fold system of the southside of Qinling.是什么意思_The Laozanggou polymetallic ore ares is situated in the central part of the west section of the Indosinian fold system of the southside of Qinling.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句