名词
中文翻译：链条上的齿轮同义词
同义词：
['chain gear', 'chain wheel']
例句：
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1. The train's engine is connected to the main axle by a chain wheel.
火车的引擎通过一个链条齿轮连接到主轴上。
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2. The car's engine is powered by a chain wheel.
汽车的引擎由一个链条齿轮驱动。
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3. The machine's mechanism relies on a chain wheel for its operation.
这台机器的工作原理依赖于链条齿轮。