Analysis of sedimentary microfacies of sand units 3-6 in the upper Guangtao Fm in the northern part of west block, Gudao oilfield是什么意思_Analysis of sedimentary microfacies of sand units 3-6 in the upper Guangtao Fm in the northern part of west block, Gudao oilfield在线翻译_英语_读音_用法_例句