“活叶螺旋桨”的概念、定义、翻译、参考文献-科学参考

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单词	活叶螺旋桨
释义	活叶螺旋桨 reversible propeller
随便看	non-porous wood non-positive displacement compressor non-positive metric non-positive operator non-potable water non-potential motion non-power non-predetermined non-predicative process nonpredominant traffic direction nonpreemptive algorithm nonpreemptivepriority nonpreemptive priority model nonpreemptive scheduling nonpreferential duty non-prejudicial disclosure nonpresetting control non-pressed air method non-pressure charging non-pressure cure non pressure electric water heater non-pressure head nonpressure parts non-pressure process non-pressure regulating roller leveller