Unverified85% confidenceDecision RuleTime unknown
免打孔(顶天立地压杆式或吸盘式)适合租房和不愿破坏墙面场景,但仅适用于楼梯口两侧有实墙可撑;打孔固定式适合楼梯口一侧为栏杆/开阔空间,稳固性更高,可承受幼儿全身冲撞
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85%
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Long-term
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