这天，王庆吉从设备“健康档案”记录中查知井下环形车场司控道岔气缸管路上次维修、更换的时间。
That day, Wang Qingji from equipment "health record" records the Secretary identifying the control ring park underground pipeline last turnout cylinder repair, replacement time.
这天，王庆吉从设备“健康档案”记录中查知井下环形车场司控道岔气缸管路上次维修、更换的时间。
That day, Wang Qingji from equipment "health record" records the Secretary identifying the control ring park underground pipeline last turnout cylinder repair, replacement time.
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