full-hole core 中文意思是什麼
full-hole core
解釋
全直徑巖心-
The zero sequence current transformer is full enclosed type. the secondary windings and iron core are insulated by epoxy resin. the middle hole is used for cable going through
本型零序電流互感器為全封閉式。二次繞組及鐵芯均澆注在聚脂樹脂內。中間窗孔供三相電纜穿過。
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