Unverified75% confidenceDecision RuleTime unknown
UV杀菌灯需水面直射才有效,若UV灯装在马桶盖圈下方而水面较低(存水弯深),实际照射不到内壁污染区,选UV型要确认灯管位置能覆盖冲水面
1
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75%
Confidence
Long-term
Relevance
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