Unverified85% confidenceDecision RuleTime unknown
隐藏式（无支架外露）搁板依靠内嵌钢管或铁片承重，钢制内嵌支架的悬臂搁板单块安全承重通常为8-15kg，超过此重量易导致墙内膨胀螺栓松动下垂
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85%
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Long-term
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