The characterestics of BIF and the tectonical control patterns on the iron ore body in the Miyun Terrain have been studied with the terrain theory.是什么意思_The characterestics of BIF and the tectonical control patterns on the iron ore body in the Miyun Terrain have been studied with the terrain theory.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句