铁路线路（railway line）在路基上铺设轨道，供机车车辆和列车运行的土工构筑物。
The line’s easement and the passengers’ comfortability are the key indicators of controlling the design of the high-speed railway line.
线路的平顺性和乘客舒适是控制高速铁路线路设计的重要指标。
参考来源 - 客运专线路桥过渡段动力特性的试验研究与数值分析·2,447,543篇论文数据，部分数据来源于NoteExpress
数据存储在本地，这样我还在飞机上时就可以搜索巴士和铁路线路。
The data is stored locally, so I can research bus and train routes while I am still on the airplane.
铁路道岔及其转换设备是铁路线路中至关重要的设施又是轨道中的薄弱环节。
The rail switch and converse equipment are very important, but unfortunately it is a weak link in railway.
在中国东部和东北部，更快速的铁路线路的投入使用，有效缓解了今年的交通压力。
In eastern and northeastern China, where more high-speed rail routes operate, traffic pressure has eased this year.
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