权威例句
Track-laying machine.Track-laying machineTrack-laying machine.Long-rail track-laying machine setDiscussions about Research and Development of Track-laying Machine Unit for Continuously Welded Cross Sectional Railway LineStudy on Compound Control of the Hydraulic Traveling System of the Track-Laying MachineKey Technology and Applicable Method of CYP 500 Cluster Tie Type Long Rail Track-laying Machine UnitResearch on Long Track-laying Machine Group and Its Operation CraftResearch of Tyre-type Variable Cross Multi-purpose Track-laying MachineTRACK-LAYING MACHINE, FIRST IN U.S., PUTS IN CONCRETE TIESThe machine-tractor unit (mtu) effective operation improvement on the base of the energy-intensive track-laying tractor, class 30 kn...Upgrading and Application of SVM1000 Track Laying MachineThe application of self-made track laying machine in tunnel broad sleeper rail