Unverified78% confidenceDecision RuleTime unknown
颜色变化型指示剂(蓝变粉/橙变绿)便于判断更换时机,但含钴指示剂(蓝色)已被欧盟列为潜在有害物,选无钴橙色变绿指示剂更安全,尤其接触食品或衣物场景
1
Sources
78%
Confidence
Long-term
Relevance
-
First Seen
Sources
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