[KongchangAI]
Unverified83% confidenceDecision RuleTime unknown

护栏立柱固定方式中,预埋式(浇筑入混凝土基础)稳固性远高于膨胀螺栓法兰盘式;儿童防护场景下法兰盘式需保证≥M10膨胀螺栓且基础混凝土厚度≥15cm

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