| 摘要 |
PROBLEM TO BE SOLVED: To provide a floor reinforcing frame well adjustable at a site. SOLUTION: The floor reinforcing frame 3 comprises parallel materials 4 mutually arranged in parallel to a sill and a perpendicular material arranged perpendicularly thereto on the sill, both being assembled thereon. The perpendicular material 8 is assembled in a movable manner with respect to the parallel materials 4, 4.
|
