名词
中文翻译：提升驱动齿轮
同义词：
['elevator drive gear', 'lift drive gear']
例句：
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1.The elevator's elevation drive gear is faulty, causing the elevator to stop working.
电梯的提升驱动齿轮有故障，导致电梯停止工作。
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2. The lift driver needs to check the elevation drive gear before starting the lift.
升降机司机在启动前需要检查提升驱动齿轮。
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3. The engineer replaced the faulty elevation drive gear with a new one.
工程师用一个新的来替换了故障的驱动齿轮。