| 摘要 |
An extruded, light-transmitting sheet structure (100) includes a pair of outer walls (128, 130) separated apart from one another. At least one dome (112) is formed as part of one of the pair of outer walls (128, 130), and is disposed at a first outer edge of the structure. A rib structure (122) is disposed between the pair of outer walls (128, 130), wherein the rib structure (122) includes at least one rib that extends into the dome (112).
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