Ballastless slab track on bridge of Passenger Dedicated Line is a track of new type with stable track and bed structure high regularity and less maintenance.
客运专线桥上采用板式无碴轨道是一种新型轨道形式，它能提供稳定的道床结构，是一种高平顺、少维护线路。
Ballastless slab track on bridge of Passenger Dedicated Line is a track of new type with stable track and bed structure high regularity and less maintenance.
客运专线桥上采用板式无碴轨道是一种新型轨道形式，它能提供稳定的道床结构，是一种高平顺、少维护线路。
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