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. 摘要隨著(zhù)無(wú)碴軌道技術(shù)的廣泛運用，整體道床產(chǎn)生的病害及維修問(wèn)題也越來(lái)越引起重視。
The new rail is is being loaded onto the track bed. 軌道路基上正在裝新的鐵軌。
There is a special tool to impact the road when it is under construction so the base is solid. 有種特殊的工具可以在道路修筑過(guò)程中將路面壓緊，因此，路基是結實(shí)的。
