The concrete face rockfill dam of Lianhua Hydropower Station is the first large scale face rockfill dam in the cold region in China at present.是什么意思_The concrete face rockfill dam of Lianhua Hydropower Station is the first large scale face rockfill dam in the cold region in China at present.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句