Mylonite schist and granite are the main wall rocks of Tanjianshan gold deposit in Qinghai Province,and granitic rocks play an important role in the formation of gold deposit.是什么意思_Mylonite schist and granite are the main wall rocks of Tanjianshan gold deposit in Qinghai Province,and granitic rocks play an important role in the formation of gold deposit.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句