| 摘要 |
A self-propelled hydraulic power supply vehicle and tool mounting platform having an hydraulic fluid reservoir integral with and forming the structural frame of the vehicle, hydraulically actuated driving and steering apparatus for moving the vehicle across a support surface while performing a cutting operation on the support surface, and castor wheels facilitating vehicle mobility which are rotated into operative position raising the vehicle so that the wheels normally supporting the vehicle are raised out of contact with the surface for mobility when the device is not cutting the support surface.
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