名词
中文翻译：海洋推进轴
同义词：
['marine propulsion', "marine propulsion system例句：1. The ship's engine is powered by a marine propulsion shaft.（这艘船的引擎是由一个海洋推进轴驱动的。）"]
例句：
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1. The ship's engine is powered by a marine propulsion shaft.
这艘船的引擎是由一个海洋推进轴驱动的。
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2. The research vessel used marine propulsion shafts to explore the deep sea.
研究船使用海洋推进轴探索深海。
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3. The new generation of marine propulsion shafts offers more efficiency and lower emissions.
新一代的海洋推进轴提供了更高的效率和更低的排放。