... simple expansion engine 单胀式蒸汽机 simple expansion engines 单膨胀发动机 simple fraction 简分数 ...
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The absolute hydrogen expansion turbine cycles of air-breathing combined turbo-ramjet engines has the advantages of good performances, simple constructions and reasonable arrangement of cycles.
完全氢膨胀循环吸气式组合发动机性能优越，结构简单，循环布局合理。
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