Vibration Prototype Observation of the Pipeline for Water Filling and Pressure Balance System of No.3 Flood-releasing Tunnel of Xiaolangdi Multi-purpose Project是什么意思_Vibration Prototype Observation of the Pipeline for Water Filling and Pressure Balance System of No.3 Flood-releasing Tunnel of Xiaolangdi Multi-purpose Project在线翻译_英语_读音_用法_例句