摘要 |
<p>A boat in low water near a bank is picked up by a slip trolley (1) with a pole device (2) and pulled with machine force in a winching mode by a tractor winching device (TWD) (3) onto a beach. The TWD is jacked up at the front on a driving wheel (DW) (12) with a lifting support (15) so that the DW is released from the ground.</p> |