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Energy use efficiency of an engine is improved.
改善发动机的能量利用效率。
youdao
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The present invention has the features of saving in energy, high efficiency and use safety.
采用本发明具有节能效率更高的特点，使用安全。
youdao
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The present invention has the features of saving in energy, high efficiency and use safety.
采用本发明具有节能效率更高的特点，使用安全。
youdao