Unverified85% confidenceFactTime unknown
PTC陶瓷发热片相比电热丝发热更均匀且具自限温特性(温度升高电阻增大自动降功率),是宠物热敷垫更安全的发热方式,购买时应确认发热元件类型
1
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85%
Confidence
Long-term
Relevance
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