英语词汇repair track maintenance怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	repair track maintenance
释义	repair track maintenance 简明释义站修网络释义短语 1 track maintenance and repair 线路养护维修双语例句 1 Make the repair the parts which disassembled from the machines , in order to track, make the record about exchange and maintenance. 安排维修生产线换下来的各类零部件，及各类配件的更换记录和维修记录，便于及时跟踪。 2 The author suggests a new system to do track maintenance and repair work separately on Datong-Qinhuangdao Railway Line. 建议大秦铁路线路养护维修工作试行养修分离新体制。
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