名词中文翻译
中文翻译：冲击齿轮
同义词：
['impact gear', 'impact mechanism']
例句：
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1.The car's engine is a knocking gear that can be easily replaced.
这辆车的引擎是一个可以轻易更换的冲击齿轮。
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2. The engineer designed the new machine with a knocking gear to improve efficiency.
工程师设计了这台新机器，带有一个冲击齿轮以提高效率。
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3. The old gearbox was worn out and needed to be replaced with a knocking gear.
旧的齿轮箱磨损严重，需要用冲击齿轮来替换。