The bridge is designed to carry rails spaced seven feet (roughly two metres) apart, the standard used by Brunel on his Great Western Railway.

此桥设计之时，本来还担负着够承载相距7英尺（约两米）的铁路线——这是布鲁内尔在设计大西部铁路线的时候施行的标准——的希望。

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The two rails are not only signal lines of track circuits, but also loop current line of locomotive traction current in electrified railway block.

电力牵引区段的两条钢轨，既作为轨道电路的通道来传输信号电流，又作为牵引电流的回路来传送牵引电流。

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This paper proposes a new estimating method which, for the first time. introduces reliability analysis into the life estimation of railway rails.

本文提出了一种新的钢轨疲劳寿命的可靠度估算方法，使可靠性分析第一次进入钢轨的寿命估算。

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Each had its own way of moving through the land and each had its own odor of passage: the railway tracks cut straight ahead, asking no questions of the bedrock through which it sliced, the wrought-iron rails smelling of axle grease and the wooden slats of rancid, licorice-scented shellac.

NPR: Excerpt: 'The Selected Works of T.S. Spivet'

Two railway watchdogs, the Eisenbahnbundesamt (EBA) and the Bundesnetzagentur (BNetzA), try to keep DB on the rails, by checking how it manages such conflicts of interest as it allocates routes, sets timetables and schedules repairs.

ECONOMIST: German railways