将来，欧洲高速公路上的统一符号也会出现在其它国家的公路干线上。
In the future, the uniform highway signs from Europe can appear along major roads in many other countries as well.
目前，先进国家普遍采用硅芯塑管作为光缆通信干线及高速公路通信的管道。
Recent years Silicon Core Tube is widely adopted as pipes of optical cable backbones and expressway communications in developed countries.
本周六，一段高速公路开始试运行，标志着上海与重庆之间的国家高速公路东西主干线完工。
A highway section started a trial operation Saturday, marking the completion of China's east-west trunk line linking Shanghai to Chongqing.
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