| 摘要 |
<p>A ventilation duct 1 comprises a left duct part 3L and a right duct part 3R which are arranged respectively on the left and right of a shell A1, and a central duct part 2 which is arranged between the left and right duct parts 3L, 3R. The left and right duct parts 3L, 3R are held by limiting the movement thereof in the front/rear direction and the left/right direction of the shell A1, and in a direction away from the shell A1, by engaging support members 4L, 4R which are set at the arrangement positions of the left and right duct parts 3L, 3R on an outer surface A10 of the shell A1, and by the central duct part 2.</p> |
