Also let us adjust the size or pitch of the screw propeller, then try to get high-speed running.
也让我们调整大小或摊位的螺旋桨，然后尝试获得高速运行。
It is, however, possible to modify the size and shape of a propeller to achieve various effects.
然而，它是可能的修改大小与形状的螺旋桨来实现各种效果。
Its fish-like method of propulsion reportedly makes it quieter than a propeller-driven craft of the same size.
及其鱼肉状的推进方法据说使得它比相同大小的一个螺旋桨驱动的工艺更安静。
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