Construction Surveying for Damming up the Yangtze on Three Gorge Water Conservancy Key Project and Second-phase Cofferdam Project是什么意思_Construction Surveying for Damming up the Yangtze on Three Gorge Water Conservancy Key Project and Second-phase Cofferdam Project在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句