铺设: spread out; lay; build; laying 短语和例子铺设友谊之路 open up a path of friendship; 铺设煤气管道 lay down gas pipes; 在军事目标周围铺设地雷 lay mines around the military target; 铺设道岔 lay a switch; 铺设双轨 lay a double-t
Abstract : main construction method of seamless railway at home and abroad is introduced . construction method of railway laying machine model pk1 - 20es ， svm1000 ， svm1000s and tcm60 is compared each other . long railway laying machine ntc which was used at qing - shen passenger seamless railway is described in detail 文摘:介绍了国内外无缝线路施工的主要方法，对pk1 - 20es型铺轨机、 svm1000及svm1000s型铺轨机以及tcm60型铺轨机施工方法作了比较，并结合秦沈客运专线无缝线路施工对ntc型长钢轨铺设机的应用作了较详细介绍。
