既有线 meaning in English

existing railway

The new measuring techniques for the existing railway
既有线测量新技术
Construction method of bored concreting pile nearby existing railway line
既有线旁钻孔灌注桩施工方法
Main problems and countermeasures to the existing railway for increasing speed
铁路既有线提速改造中的主要问题
Construction method of the box - type structure jacking under the existing railway line
既有线下顶进箱涵的施工方法
Research on reinforcement technique to enhance lateral stiffness of steel truss bridge on existing railway
既有线钢桁梁桥横向刚度加固技术

More: Next