| 摘要 |
An automobile body structure has a closed cross-section structure formed by a lower face of a rear floor panel of a body floor and a rear frame joined to the lower face of the rear floor panel and extended in the longitudinal direction of the body on either side thereof, and another closed cross-section structure formed by a lower face of a front floor panel of the body floor and a front frame joined to the lower face of the front floor panel and extended in the longitudinal direction of the body. The rear frame is joined at its forward extension to a side sill of the body forward of a rear wheelhouse. The front frame is joined at its rearward extension to the portion where the forward extension of the rear frame is joined to the side sill.
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