英语词汇maintenance free是什么意思，maintenance free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	maintenance free
释义	maintenance free　【化】不需维修的
随便看	slack bulge slack byte slack coal slack control slack detector slack farming season slack farming season slack finish slack hour slack ice slack melt slack melt copal slack money market slack of finance slack of rodding slack off slack off slack off slack off slack path slack quenching slack season slack season slack season slack side

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