| 摘要 |
A process for transporting and laying or replacing railway switches, tracks and sleepers, in which the switches or tracks are lifted and grabbed by means of at least one gripping machine, and the machine/track or machine/switch assembly thus formed is moved in a longitudinal direction, by repeated operation of linearly sliding means of the gripping machine to carry out a cycle for lifting the track/machine assembly, displacing the track/machine or machine/switch in said longitudinal direction; laying back onto the ground the track/machine assembly; restoring the relative positions of the means of the machine.
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