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是的，螺旋桨转动效率很强。
Yes, turning effect of propeller very strong.
youdao
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当你转动时，你可以向前伸得更远，你的划水可以更早，更有效率。
When you rotate well you are able to reach further forward.
youdao
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当你转动时，你可以向前伸得更远，你的划水可以更早，更有效率。
When you rotate well you are able to reach further forward.
youdao