[KongchangAI]
Unverified90% confidenceFactTime unknown

漏电保护装置内部电子元件有寿命,应定期(建议每月)按下漏保上的测试按钮T键检查能否正常脱扣,不跳闸说明漏保已失效需更换

1
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90%
Confidence
Long-term
Relevance
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