名词
中文翻译：Unknown
同义词：
['central wheel', 'central shaft', 'stern propeller']
例句：
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1. Thestern-wheel of the ship is essential for maintaining stability.
船的中央轮桨对于保持稳定性至关重要。
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2. The stern-wheel was designed to improve efficiency in turning.
船的中心轮桨被设计用来提高转向效率。
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3.The stern-wheel is crucial for keeping the ship balanced during high winds.
船的中轴轮桨在大风中保持船只平衡至关重要。