[KongchangAI]
Unverified85% confidenceTradeoffTime unknown

环形变压器(Toroidal)比EI型(方形硅钢片)效率高、发热小、空载损耗低、噪音小,长时间使用大功率电器优选环形;EI型体积大更笨重但价格低,适合偶尔短时使用

1
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85%
Confidence
Long-term
Relevance
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