... 钢轨拉伸器 rail tensor 钢轨落锤试验 drop test of rail 钢轨磨损检查车 rail profile measuring car ...
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The effective thermal input of pulse flash process is large, it can help reduce the drop weight test fracture of flat spot, which is suitable for welding U75V rail.
脉动闪光工艺的有效热输入大，有利于降低落锤断口灰斑，适合焊接U75V钢轨。
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