[KongchangAI]
Unverified83% confidenceTradeoffTime unknown

免打孔款依赖脚垫摩擦力和马桶座圈夹持,稳固性天然弱于打孔膨胀螺栓固定款;瓷砖地面湿滑环境下免打孔款需确认脚垫为硅胶吸盘+防滑纹双重结构

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83%
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Long-term
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