“ballastless”的概念、定义、翻译、参考文献-科学参考

单词	ballastless
释义	ballastless Encyclopedia 工学道床结构释 ballastless有砟道床通常由具有一定粒径、级配和强度的硬质碎石堆集而成，碎石之间存在着空隙和摩擦力，使得轨道具有一定弹性的道床。
随便看	Dalian 7·16 oil storage tank fire case Dalian Banhaibao Guojiaji Ziran Baohuqu Dalian Baoshuiqu Dalian Beike Bowuguan Dalian Changxingdao Jingji Jishu Kaifaqu Dalian Chengshantou Haibin Dimao Guojiaji Ziran Baohuqu Dalian Chukou Jiagongqu Dali Ancient City Dalian Dao Dalian Dayaowan Baoshui Gangqu Daliang Dalian Gaoxin Jishu Chanye Yuanqu Daliangmao Daliang Shan Daliangzi He National Forest Park Dalian Jingji Jishu Kaifaqu Dalian Jinshitan Dizhi Bowuguan Dalian Jinshitan Guojia Lvyou Dujiaqu Dalian Jinshitan Mystery of Life Museum Dalian Library Dalian Lvshun Jingji Kaifaqu Dalian Maritime University Dalian Municipal Archives Dalian Museum Dalian Natural History Museum

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