Unverified80% confidenceDecision RuleTime unknown
选择304不锈钢或纯铜（黄铜）材质铃铛，避免劣质合金/含铅锌镀层，宠物舔舐可能导致重金属摄入，铜铃自带天然抑菌性且不易生锈
1
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80%
Confidence
Long-term
Relevance
-
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