We used sail power and turned the engine off to save our fuel.
我们关掉了发动机，用帆航行以节省燃料。
Introduces the basic technical features of first water sail power station at home and abroad.
阐明了国内外第一座水帆水电站的基本技术特征。
Introduces the basic technical features of first water sail power station at home and abroad.
阐明了国内外第一座水帆水电站的基本技术特征。
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