Unverified82% confidenceDecision RuleTime unknown
扇形转角架适配90度标准内墙角，若墙角实测偏差超过5度（老房或非承重墙常见），需选带可调角度背板或L型独立双片拼接款，否则会出现单侧翘起悬空
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82%
Confidence
Long-term
Relevance
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