“有砟轨道”的概念、定义、翻译、参考文献-科学参考

单词	有砟轨道
释义	有砟轨道 Encyclopedia 工学［轨道型式］释 ballast track有砟轨道由钢轨、扣件、轨枕和散粒体碎石（或卵石、砂）道床、道岔及轨道加强设备组成的铁路轨道。是铁路上应用最早、使用范围最广的轨道结构形式，有较丰富的使用经验，成套的线路大修、维修机械和施工工艺。
随便看	community corrections community corrections worker community counseling community culture Community culture services community democracy community detection community development community diagnosis community disaster prevention community drug treatment community dynamics community ecology community education community education services community elderly care community elderly service facilities community elite community emergency plan community emergency preparedness community emergency response capacity community emergency response team community employment Community environmental management community environmental roundtable meeting

科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。