名词
中文翻译：倒车管
同义词：
['reversing pipe', 'reverse valve']
例句：
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1.The car's engine is running smoothly, and the scupper pipe is clear.
汽车发动机运行平稳，倒车塞子畅通无阻。
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2. The mechanic had to replace the scupper pipe due to a leak.
由于泄漏，机械师不得不更换倒车塞子。
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3. The new car features an improved scupper pipe system for better fuel efficiency.
新款汽车配备了改进的倒车塞子系统，以提升燃油效率。