n. maintainer
机背处有多个检修舱门，检修人员能方便的开启观察。
Critical components are waist high and can be easily reached by maintenance crews.
配电系统中为了确保维护测试和检修人员的安全应有明显的断开装置。
To ensure maintenance in the distribution system, an evident breaking device should be set for the safety of testing and repair personnel.
运送设备和检修人员去沿线作业场所的特种车辆也要在车辆段内进行维修。
Works trains will be needed to ferry equipment and staff to work sites along the line and these will be serviced at the depot.
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