... 电气路牌机 electric tablet instrument 电气路签闭塞 electric staff system 电气路签机 electric staff instrument ...
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staff system electric 电动路签制
electric staff block system 电气路签闭塞
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In case of problems in the electric system, the operation personnel shall ask help from electric maintenance staff.
5遇到电气问题,操作人员不可乱动,请电气维修人员前来维修。
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