Unverified83% confidenceDecision RuleTime unknown
抓握直径以32-40mm为宜，过粗（＞45mm）老人手小握不牢，过细（＜25mm）发力时压强集中易滑脱；表面选磨砂纹理或波浪防滑纹，光面金属遇水打滑反而危险
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83%
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Long-term
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