Unverified90% confidenceDecision RuleTime unknown
220V转110V为降压场景(去美国/日本用中国电器),110V转220V为升压场景(在美国用中国电器),双向转换器可切换;单向转换器接反会立即烧毁设备,购买前必须确认电压方向
1
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90%
Confidence
Long-term
Relevance
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