无码av动漫精品一区二区免费

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GW13-40.5/72.5/126KV中性點隔離開關
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隔離開關由支架、底座、支柱絕緣子、觸頭、接線板等部分組成。支柱絕緣子及導電部分安裝于底座上,兩支柱絕緣子交角為50°。底座固定在傾斜25°的支架上。支架上裝有與操動機相連接的軸??膳銫S17-G手動揉作機構,也可配用CJ6電動機構。

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无码av动漫精品一区二区免费