随着西部高速公路的大规模建设，受地形和施工场地的限制，小净距隧道已越来越多地在工程实际中使用。

As large scale construction of highways in West China, more small spacing tunnels have been adopted due to the limitation of landscape.

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第一大西部铁路公司向大家展示了这项火车上的“随选服务”，该服务通过每个座椅后的液晶屏幕来实现，每辆高速列车都会安置这种液晶屏。

First Great Western are introducing the on-demand service via seat-back screens on one coach of each of their high-speed trains.

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在他即将启程之际，他以他完成了一件事而深以为豪：他能在坎大哈西部延伸的高速路上驾驶几英里。

As he prepares to leave, he boasts about one accomplishment: he was able to drive for miles along a stretch of highway west of Kandahar city.

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