可采用多种钢轨廓形，使每种廓形与车轮均有一定数量的接触点，可以提高导向性能和总体的车辆运行质量，从而减少噪声和振动。
Use of a variety of rail profiles with a range of contact points improves steering and overall ride quality, and thereby reduces noise and vibration.
可采用多种钢轨廓形，使每种廓形与车轮均有一定数量的接触点，可以提高导向性能和总体的车辆运行质量，从而减少噪声和振动。
Use of a variety of rail profiles with a range of contact points improves steering and overall ride quality, and thereby reduces noise and vibration.
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