Sand bar sub-facies of lagoon, front delta, sheet sandstone of offshore sea are the best sedimentary facies belts for the oil &gas accumulation.是什么意思_Sand bar sub-facies of lagoon, front delta, sheet sandstone of offshore sea are the best sedimentary facies belts for the oil &gas accumulation.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句