| 摘要 |
A mobile ballast plow comprises a plow arrangement vertically adjustably mounted on a frame and including a V-shaped central plow consisting of two plow blades rigidly interconnected at an apex of the central plow, a side plow associated with each one of the track rails, each of the side plows having a single ballast guide blade adjustably between the track rails and having an effective operating length extending to the apex of the central plow, and a tunnel-shaped element extending over and covering each track rail.
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