| 摘要 |
This element is made in concrete and is designed for the construction of retaining walls to retain banks, by stacking and locking together with other identical elements. The element comprises parallel side faces 2, front and rear parts 3, 4 and lower and upper sides with matching profiles. These profiles are in a broken-W-shaped line. One of the sides thus has two parts in relief 7, 10 while the other side has two hollow parts 13, 16. <IMAGE>
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