名词短语
中文翻译：机械维护和修理
同义词：
['机械维修，机械保养例句：1. The machine needs to be maintained regularly to ensure its longevity.（这台机器需要定期维护以确保其使用寿命。）']
例句：
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1. The machine needs to be maintained regularly to ensure its longevity.
这台机器需要定期维护以确保其使用寿命。
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2.The technicians are responsible for the machine's maintenance and repair.
技术员负责机器的维护和修理。
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3. The factory has a team of engineers who specialize in machine maintenance and repair.
工厂有一支工程师团队，专门从事机械维护和修理。