| 摘要 |
The invention relates to a solid construction element (100) that comprises: two opposite, planar, so-called "primary" surfaces (105 and 145), a so-called "secondary" surface (110) having at least one convex portion (115), the opposite surface (150) of which is also called "secondary" and has the complementary concave portion (120), a "tertiary" surface (125) having at least one raised portion (130), the opposite surface (155) of which is also called "tertiary" and has the complementary recessed portion, and at least one end of a through-opening (135), the opposite surface (150) of which has the other end. |
