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随着运量的增长，我分局已将各站道岔由机械联锁逐步改为电气集中，到1989年底，电气集中覆盖率已达96％。如何提高电务设备质量，是保证完成分局运输生产任务的关键之一。
With the increase of traffic volume, our branch has gradually changed the turnout of the stations from mechanical interlock to electrical concentration. By the end of 1989, the electrical concentration coverage rate has reached 96%. How to improve the quality of the electrical equipment is one of the keys to ensure the completion of the transportation and production tasks of the branch office.