名词
中文翻译：Unknown
同义词：
['protective maintenance', 'preventative maintenance']
例句：
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1. To ensure the safety of the equipment, we should conduct preventive repairs regularly.
为了确保设备的安全，我们应该定期进行预防性维修。
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2. The manufacturer recommends that the vehicle be serviced every 5000 miles to perform preventive repairs.
制造商建议每行驶5000英里就对车辆进行保养，以执行预防性维修。
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3. Preventive repairs can significantly extend the lifespan of a machine and reduce downtime.
预防性维修可以显著延长机器的使用寿命并减少停机时间。