The Upper Devonian in Dushan County, Guizhou Province is composed of carbonate ramps and platforms, including 13 types of sedimentary fades and 25 types of microfacies.是什么意思_The Upper Devonian in Dushan County, Guizhou Province is composed of carbonate ramps and platforms, including 13 types of sedimentary fades and 25 types of microfacies.在线翻译_英语_读音_用法_例句