| 摘要 |
PROBLEM TO BE SOLVED: To reduce man-hours for installation on the job site or increase the corresponding power to a plan. SOLUTION: This unit building 5 can be constructed by overhanging upper floor units 3 and 4 on the lower floor units 1 and 2, and overhang portions 6 and 6 of the upper floor units 3 and 4 are provided as one united body at the overhang portions 6 and 6 of the upper floor units 3 and 4.
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