无码av动漫精品一区二区免费

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KYN61-40.5(Z)鎧裝移開式交流金屬封閉開關設備
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KYN61-40.5(Z)型鎧裝移開式交流金屬封閉開關柜(以下簡稱開關柜)系三相交流50Hz,額定電壓40.5kV的戶內成套配電裝置。作為發電廠、變電站及工礦企業接受和分配電能之用。對電路起到控制、保護和檢測等功能,還可用于頻繁操作的場所。

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无码av动漫精品一区二区免费