“无砟道床”的概念、定义、翻译、参考文献-科学参考

单词	无砟道床
释义	无砟道床 Encyclopedia 工学道床结构释 ballastless track无砟道床不用道砟铺设的道床。又称整体道床，是相对于有砟道床而言的。通常以钢筋（或沥青）混凝土取代传统的道砟作为道床材料。钢筋混凝土可以在现场浇筑，也可采用预制件，或者两者相结合。无砟道床适用于坚实基础，如隧道、桥梁和经过加强处理的土质路基。
随便看	third-order nonlinearity third-order nonlinear optical effect third-order nonlinear optical effects third-order nonlinear susceptibility third-order predicate logic third order theory of aberration third-part logistics third-party assessment for targeted poverty alleviation third party copying third party damage of oil and gas pipeline third-party electronic market third-party enforcement third-party evaluation third party influence and compensation in water right transaction third party in litigation third party liability insurance Third-Party Logistics，3PL third party monitoring Third Party Movements Third Party Operation of Pollution Treatment Facility third-party payment third-party source third party's reason third-party trustee third-person effect hypothesis

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