| 摘要 |
A LOUVRE (40) INCLUDES A NUMBER OF SHEET MEMBERS (5,41). EACH SHEET MEMBER (5, 41) HAS A SURFACE PORTION HAVING AN EXTERNAL SURFACE (2) AND ENGAGEMENT MEANS (3, 42). THE ENGAGEMENT MEANS (3, 42) COUPLE THE SHEET MEMBERS (5, 41) TOGETHER TO FORM THE LOUVRE (40). (FIGURE 4)
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