Unverified85% confidenceDecision RuleTime unknown
罐口内径需≥8cm才能让成人手掌轻松伸入取物和清洁底部，窄口罐（口径＜6cm）适合倒取颗粒物（如糖、米），存取块状/大件杂物会卡手
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85%
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Long-term
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