英语词汇“preventive maintenance maintenance”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	preventive maintenance maintenance
释义	preventive maintenance Maintenance preventive maintenance Maintenance at time-fixed intervals; intended to reduce the probability of failure or lessened performance in the period up to the next inspection. Also called scheduled maintenance.
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preventive maintenance Maintenance