| 摘要 |
The structure has upper and bottom beams (11,12) and left and right side beams (13) that extend in a width direction of a vehicle respectively on the upper and bottom sides and the left and right sides of a receiving area (10). Each side beam comprises upper and lower block portions (31,32) protruding on the sides and form a lattice-shaped attachment structure. A nut at the front portion of the left and right front side elements (2) is located at an intermediate portion of a reinforcing bracket (33) in the upper and lower block portions. |
