These siliciclastic rocks were derived mainly from the Archean and minor from Paleoproterozoic in the southern margin of the North China craton.是什么意思_These siliciclastic rocks were derived mainly from the Archean and minor from Paleoproterozoic in the southern margin of the North China craton.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句