| 摘要 |
<p>The invention relates to a plastic unit. This unit, which is hollow on the inside and is provided at its base with a bottom (13), is reinforced by at least one hollow post (17) which extends towards the inside of the unit (1) from the said bottom and is connected locally at the top part to two opposite longitudinal walls delimiting the unit on the outside. The invention applies principally to the production of median barriers for highways. <IMAGE></p> |
