名词
中文翻译：链条轴
同义词：
['axle', 'sprocket shaft']
例句：
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1.The car's engine is running smoothly on the new chain axle.
汽车的引擎在新链条轴上运行得非常顺畅。
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2.The engineer replaced the old chain axle with a new one.
工程师用一个新的链条轴替换了旧的。
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3. The train's wheels were securely fastened to the chain axle.
火车的车轮被安全地固定在链条轴上。