反波胆怎么选最稳

枕木边碎石的作用

2016-11-28 09:48:22 来源:人民铁道网

钢轨和枕木必须长期承受火车的重量,而碎石头的一个任务是承担防止铁轨下陷的缓冲工作。另外,火车高速通过钢轨,会产生噪音和高热,而碎石头的另外两个重要工作就是吸收噪音和吸热。

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