New Technology of Groove-cutting Applied in Constructing Continues Thin Concrete Seepage-prevented Wall Underground in Built-in Works on the Main Levees of the Yangtze River是什麼意思_New Technology of Groove-cutting Applied in Constructing Continues Thin Concrete Seepage-prevented Wall Underground in Built-in Works on the Main Levees of the Yangtze River在線翻譯_英語_讀音_用法_例句