英语词汇periodic maintenance是什么意思，periodic maintenance的用法、释义、翻译、读音、例句、短语词组-英汉汉英翻译词典-觉斋网

单词	periodic maintenance
释义	DEFINITIVE EXAMPLES 权威例句〔maintenance〕These fences are fairly rugged but they require periodic maintenance.这些篱笆比较粗糙，不过也需要定期养护。牛津搭配
随便看	sounding spring holder sounding table sounding thermometre sounding velocity sounding wire sounding-balloon sounding-board sounding-line sounding-rod soundings soundings soundings soundless soundless soundless soundless soundlessly soundlessly soundlessly soundly soundly soundly soundly soundmark soundness

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