| 摘要 |
<p>The self-propelled machine (1) for concreting a ditch (F) is comprised of a propulsion unit (2) which drives displacement means (3) of the machine (1) and a spreading system (4) for spreading the concrete at the bottom (FF) and on the side edges (BF) of the ditch (F). According to an important caracteristic of the invention, the displacement means (3) bear and roll on the bottom (FF) of the ditch (F) and are avantageously comprised of at least one caterpillar band.</p> |
