Unverified82% confidenceDecision RuleTime unknown
选购家用足浴/水疗设备优先PTC陶瓷加热而非传统电热管,PTC恒温不结垢、干烧自动断电,加热速度慢但安全性显著更高,适合有老人小孩家庭
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82%
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Long-term
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