英语词汇annual maintenance是什么意思，annual maintenance的用法、释义、翻译、读音、例句、短语词组-英汉汉英翻译词典-电脑手机教程网

单词	annual maintenance
释义	DEFINITIVE EXAMPLES 权威例句〔LOOK AFTER〕The city is paying $30,000 in annual maintenance costs. 该市每年要支付30,000美元的维修费。朗文写作活用
随便看	ultrasonic vibration ultrasonic viscometer ultrasonic washing ultrasonic wave ultrasonic wave ultrasonic welding ultrasonically ultrasonication ultrasonication ultrasonicator ultrasonics ultrasonics ultrasonictherapy ultrasonocardiograph ultrasonogram ultrasonograph ultrasonography ultrasonography ultrasonography ultrasonography ultrasonoholography ultrasonologist ultrasonomicroscope ultrasonoscope ultrasonotomography

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