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spandrel,hygroscopic

as a top flange to the beam; t-beams, and inverted l(spandrel)
as a top flange to the beam; t-beams, and inverted l(spandrel)浅谈"spandrel"阴影盒
浅谈"spandrel"阴影盒浅谈"spandrel"阴影盒
浅谈"spandrel"阴影盒spandrel-天眼查
spandrel-天眼查aluminium spandrel panel
aluminium spandrel panel
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