名词
中文翻译：Unknown
同义词：
['subordinate repair', 'secondary restoration', 'secondary replacement']
例句：
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1. The car's engine was a significant part of the project, so we decided to perform a secondary repair on it.
汽车的发动机是这个项目的一个重要部分，所以我们决定对它进行次级修理。
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2. The company decided to invest in a secondary repair system to improve its efficiency.
公司决定投资于一个次级维修系统来提高其效率。
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3.The secondary repair work took several months to complete, but it was well worth the effort.
次级修理工作花了几个月时间完成，但这是值得的。