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Technology
containing
备 用 路线
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all forms
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in specified order only
Chinese
English
事故备用线路
emergency line
养路设备专用线
track maintenance equipment siding
准直联备用信号线路
quasi-associated reserve signalling link
准直联备用信号线路
quasi-associated reserve signaling link
备用线路
spare circuit
备用线路
extension wire
备用路线
alternate route
备用迂回路线
emergency route
家用固定设备线路
fixed equipment circuit
用户线路设备
subscriber's line equipment
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