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枕木原料是什么木头

更新时间: 2020-12-09 11:44:53     

枕木一般用的都是松木,比较有弹性,可以缓解列车的动力冲击,而且绝缘性能也比较好。松木做的枕木比较容易加工,运输铺设也建委简单,与碎石道碴之间的摩擦系数比较大,从而保障了轨道的稳定性。但是枕木也有一些缺点,虽然松木比较耐腐蚀,但是用于做枕木的话寿命还是比较短的,受到的机械磨损比较大,而且弹性和耐久性不一致,容易出现轨道不平顺的现象。

关键词: 枕木 原料 什么 木头

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