名词
中文翻译：齿轮孔
同义词：
['gear space', 'gear slot', 'gear notch']
例句：
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1.The car's engine needs to be tuned for optimal performance.
这辆车的引擎需要调校以获得最佳性能。
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2.The engineer carefully checked the gear hole before starting the machine.
工程师在启动机器前仔细检查了齿轮孔。
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3. The gear hole is designed to accommodate a specific type of gear.
齿轮孔被设计来容纳特定类型的齿轮。