road bed
英
美
- 道床,路基顶面
详细释义
名词 roadbed:
-
a bed supporting a road
双语例句
- With the Ballastless track technology extensive used, the problem of the track on solid bed damage and rectification is paid more and more attention now.
摘要随着无碴轨道技术的广泛运用，整体道床产生的病害及维修问题也越来越引起重视。 - The new rail is is being loaded onto the track bed.
轨道路基上正在装新的铁轨。 - There is a special tool to impact the road when it is under construction so the base is solid.
有种特殊的工具可以在道路修筑过程中将路面压紧，因此，路基是结实的。
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