名词
中文翻译：弧线维护
同义词：
['arc repair', 'arcadjustment']
例句：
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1. The engineers are responsible for the arc maintenanceof the power transmission towers.
工程师们负责电力输电塔的弧线维护。
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2. During the maintenance, the technicianscarefully checked the arc weldingprocess.
在维护过程中，技术人员仔细检查了弧焊过程。
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3. The arc maintenanceteam was called in to fix a faulty circuit breaker.
弧线维护小组被召来修理一个故障的断路器。