铺设双轨的英文

lay a double track

• 铺设:    spread out; lay; b ...
• 双轨:    double track two-w ...
• 铺设双轨；双轨行车:    double tracking

例句与用法

1. The year 1973 saw the start of a modernisation programme , including the double tracking and electrification of the railway
   一九七三年九广铁路展开现代化计划，包括铺设双轨和进行铁路电气化。