名词
中文翻译：耦合器松动
同义词：
['coupling slack', 'coupling loose', 'coupling looseness']
例句：
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1. The engineerwas checking the coupling slack of the machine.
工程师正在检查机器的耦合松紧。
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2. The team had to adjust the coupling slack to ensure smooth operation.
团队不得不调整耦合松紧以确保顺畅运行。
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3. The technician found that the coupling slack was causing a problem with the transmission.
技术人员发现耦合松紧导致传动出现问题。