| 摘要 |
<p>A portable building unit of the type described comprising a structural metal frame comprising a pair of lateral vertical sub-frames (11a, 11b) each of said sub-frames including an upper member (12a, 12b) and a lower member (13a, 13b), the upper and lower members of each sub-frame being interconnected by uprights (14a, 14b), and the lower members (13a, 13b) of the sub-frames being rigidly interconnected in spaced apart parallel relation by frame cross members (15) which extend between the lower members and the upper members of the sub-frames being interconnected solely by one or more roof panels (10) each of which extend between and is secured to the upper members 12a, 12b) of the sub-frames (11a, 11b), a floor structure (30) extending between and being supported by the lower members of said sub-frames.</p> |
