名词
中文翻译：推杆
同义词：
['propeller', 'propulsor']
例句：
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1. The boat's prop puller is working perfectly.
船的推进器工作得非常好。
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2. The airplane's prop puller is responsible for its lift-off.
飞机的推进器负责其起飞。
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3. The car's prop puller is the most important part of the engine.
汽车的推进器是引擎中最重要的部分。