double track railway 双线铁路 ; 双线铁道
electric double-track railway system 电气化双轨铁路系统
double track railway tunnel 双线铁路隧道
a double-track railway line 双轨铁路线
electrified double-track railway system 电气化双轨铁路系统
double-track railway tunnel 双线铁路隧道
double track railway tunnels 铁路双线隧道
Not only is the bridge equipped to handle four lanes of traffic; it also has a double-track railway.
这座桥不仅拥有四个行车道，还有一个双轨铁路。
The general project and construction design of North Shenmu - South Shenchi Double-track Railway Project shall be detailed.
较详细地介绍了神（木北）朔（州）神木北至神池南段增建二线铺架标段的工程概况及总体施工组织方案。
In this paper the railway track is considered as a double elastic system of both rails and sleepers and the vibration is described in detail with two partial differential equations.
本文将铁路轨道看作由钢轨和轨枕组成的双层弹性系统，用两个偏微分方程联立描述其振动。
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