existing railway meaning in English

既有铁道
既有铁路
既有线

New territories and on lantau island existing railway system of
新界和大屿山现有
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
The study of integral hoisting technology on existing railway bridges
既有铁路桥梁的整孔吊装技术研究
Research of interior noise distributing rule of existing railway vehicles
铁路客车车内噪声分布规律研究

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