• Thee tunnel's course is flat and straight instead of winding up through the mountains like the old rail tunnel and a road tunnel opened in 1980.

    圣哥达隧道走势平直,没有仿效过去铁路隧道1980年投入使用的公路隧道环山的设计。 。

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  • The influences of excitation mechanisms such as rail surface roughness, roller eccentricity and roller flat on the high frequency vibration were investigated.

    分析导轨表面粗糙度导轮偏心激励电梯高频振动影响

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  • The dynamic inspection system for wheel flat on railway wheel inspects and measures the positions and dimensions online on the basis of the value of impact force on rail by the wheels.

    铁路车轮动态检测系统根据车轮对钢轨冲击力大小在线检测车轮扁疤位置尺寸

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  • Reported on January 11 according to British media, can be clear about on video extract see, this man body is flat bend over almost motionlessly between the crosstie in rail.

    英国媒体1月11日报道视频片段可以清楚看到名男子身体平直几乎一动不动地趴在铁轨枕木之间

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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.

    脉动闪光工艺有效输入有利于降低落锤断口灰斑,适合焊接U75V钢轨

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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.

    脉动闪光工艺有效输入有利于降低落锤断口灰斑,适合焊接U75V钢轨

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