solid concrete road-bed

• 整体道床

solid concrete road-bed的用法和样例：

例句

1. 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。