Ballast Track 道碴轨道 ; 有碴轨道
ballast filling track lifting 垫碴起道
track on ballast bed 碎石道床轨道
track without ballast 直结式轨道
slab non-ballast track 板式无碴轨道
Non-ballast Track circuit 无砟轨道电路
以上来源于: WordNet
However, the construction technology of ballast less track still lacked mature experience.
但是，我国铁路在无砟轨道施工技术方面尚缺乏成熟经验。
Such as track datum, ballast thickness, flatness of the track is not qualified, the tower crane swing or skew;
如轨道基准面、道渣厚度、轨道平直度等不合格，塔机运行晃动或歪斜；
Railway track construction and maintenance plant. ballast cleaning machine. specifications.
铁路建造和维护设备。道碴清理机。规范。
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