RESEARCH ON THE FEATURES AND THE ORIGIN OF THE SEDIMENTS IN THE DRAINAGE GALLERIES OF THE THREE-GORGES PERMANENT SHIP-LOCK是什么意思_RESEARCH ON THE FEATURES AND THE ORIGIN OF THE SEDIMENTS IN THE DRAINAGE GALLERIES OF THE THREE-GORGES PERMANENT SHIP-LOCK在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句