Unverified86% confidenceDecision RuleTime unknown
二手铁艺收纳架重点看焊接点和立柱底部是否锈穿，表面浮锈可打磨处理不影响使用，但焊缝开裂或立柱底部锈蚀成孔说明结构强度已丧失，承重会突然坍塌
1
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86%
Confidence
Long-term
Relevance
-
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Unverified不要用生料带修补铸铁或镀锌钢管的严重锈蚀漏点，锈蚀点会持续扩大，缠绕只能短期止漏，应更换整段管材74% similarUnverified硬质地面别买薄壁铝合金圆钉（3mm以下），打入碎石地会直接弯成钩状，一次性报废，此场景直接上钢钉74% similarUnverified挂墙盆/悬空盆必须确认背后为承重墙或有预埋钢架，空心砖墙需加装后置钢挂架，单纯膨胀螺栓固定长期承重后有脱落风险73% similarUnverified洞洞板边缘和孔位是否有毛刺翻边是金属板质量分水岭：优质产品孔位经二次冲压去毛刺+静电喷涂，劣质品孔边锋利易划手且易生锈73% similarUnverified瓷砖后为空心砖或轻钢龙骨隔墙时，普通膨胀螺丝会松脱，需改用穿墙对拉螺栓或加装背板，否则承重会失效72% similar
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