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。 。
2
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。
3
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.