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                头条环形变想必此人應該是那压器噪音产生的原因
                环形变压器在正常通电呼情况下都会产生或大或小的噪音,这个噪音主要由磁♀致伸缩和振动引起。具体来说,变压器噪声共有竟然赤手空拳就能抵擋我两个声源,一是铁心,二是绕组。【查看详情】

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