Ball rail unit 走珠导轨机组
Precision rail unit 精密导轨机组
Elevator guide rail unit 电梯导轨机组
rail conditioning unit 钢轨矫直精整机组 ; 精整机组 ; 钢轨校直
West Rail Survey Unit 西铁测量组
unit length rail 单位长度定尺钢轨
Rail Clearance Unit 火车货物检查组
An "economic miracle" : KUVE four-row ball type profiled rail unit with large number of variants and accessories conquers the market.
一个“经济奇迹”：KUVE四列球型异型轨单位，大量的变异及配件征服市场。
The City rail K set class EMU (Electric Multiple Unit) passenger train is a type of train that is used to haul passengers on commuter and suburban rail lines.
城市轨道K组级动车组（动车组）客运列车是一种用来运送通勤者和市郊铁路线的列车的一种类型的列车。
The coupling between bridge and track adopts by beam unit, modulus of electricity of and yielding stress according to the broken line of the non-liner rail longitudinal resistance of displacement.
桥梁和轨道的联结采用非线性梁单元模拟，其材料弹性模量和屈服应力通过轨道纵向位移阻力与梁轨相对位移关系的双折线化确定；
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