The elastic rigidity of rail pad and ballast stiffness of rail and clamping force of fastener are the main factors that cause the widening of gauge.
钢轨垫层和道床的刚度、轨刚度和扣件扣压力是影响轮轨之间作用力和轨距扩大的主要因素。
The special pulling rivet of rail wagon is a connecting fastener which has higher requirements on the performance parameters.
铁路货车专用拉铆钉是铁路货车连接紧固件，性能参数要求较高。
Is mainly composed of upper and lower cross beams, sliding rail, fastener spools, support, complete with hydraulic station and electrical cabinets.
主要由上、下横梁、滑动横梁、扣片盘、支座组成，配套有液压站和电器柜。
A rail-pad type sensor is arranged on a sensor bedplate and is provided with a B-shaped fastener.
在传感器座板上面带有轨垫式传感器，传感器上带有b形扣件。
A rail-pad type sensor is arranged on a sensor bedplate and is provided with a B-shaped fastener.
在传感器座板上面带有轨垫式传感器，传感器上带有b形扣件。
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