碎石道 meaning in English

broken stone road
telford

This paper argues that the new track , because of its low cost and damping function , will become a widely adopted tack to replace the traditional ballast tad , ballastless bed and the expensive floating slab structure
试图以其廉价及有效减振的特色，取代碎石道床轨道、无碴轨道和昂贵的浮置板轨道结构。
According to the engineering experiences obtained from the laying of a jointless track of high - speed communication line - line 3 in dalian city , this paper introduces in general the laying technology , particularly the long rail welding , the construction site welding , seamless track spreading and trak controller laying , and discusses problems often occuring in long rail wedling and seamless track laying
摘要根据大连市快速轨道交通3号线一次性铺设碎石道床无缝线路的工程实践，介绍了长钢轨基地焊接、单元轨节的工地焊接；无缝线路锁定和钢轨伸缩调节器的铺设等技术，并对长钢轨焊接和无缝线路铺设中应注意的问题进行了探讨。