The Tongtou hydropower station is the first double curvature thin dam founded on conglomerate of Tertiary period in China and the dam height is 75m .是什么意思_The Tongtou hydropower station is the first double curvature thin dam founded on conglomerate of Tertiary period in China and the dam height is 75m .在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句