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。

solid concrete road-bed的相关资料:

临近单词

今日热词
目录 附录 查词历史