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，没有仿效过去的铁路隧道和1980年投入使用的公路隧道环山的设计。 。
The influences of excitation mechanisms such as rail surface roughness, roller eccentricity and roller flat on the high frequency vibration were investigated.
分析了导轨表面粗糙度、导轮偏心和扁疤等激励对电梯高频振动的影响。
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.
铁路车轮扁疤动态检测系统根据车轮对钢轨冲击力的大小，在线检测车轮扁疤的位置和尺寸。
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。
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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