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最后研究了攻角对单独螺旋桨性能参数的影响。
In the end, made a study of the influence of angles.
youdao
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评述了变磁阻式螺旋桨动力仪的原理、结构和性能;
The principle, structure and characteristic of the R. P.
youdao
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评述了变磁阻式螺旋桨动力仪的原理、结构和性能;
The principle, structure and characteristic of the R. P.
youdao