“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	laboratory rat laboratory reagent laboratory reagent (L.R.) laboratory reference frame laboratory reference print laboratory reference system laboratory sciences for virus infection laboratory simulation laboratory spectrum laboratory system laboratory technology for bacteria detection laboratory technology for disinfection test laboratory technology for molecular biological test laboratory test laboratory test detection method laboratory（house）standard labor capacity identification labor contract labor contract expiring upon completion of a given task Labor Contract Law of the People’s Republic of China labor contract with a non-fixed term labor-cost-orientation Laborde Inheritance Case labor dispute labor dispute arbitration committee

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