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setting block , plummer
In the model, the flexural rigidity of rails, the rigidity of fastenings, the rigidity of subgrade, slide plate, guard rail and spacer block are taken into account.
模型中考虑了钢轨抗弯刚度、扣件刚度、基础刚度、滑床台、护轨及间隔铁等因素的影响。
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