... 飞行时间计时器 instrument， time-of-flight 绝缘心型变压器 insulated core transformer 绝缘 insulation ...
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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.
本型零序电流互感器为全封闭式。二次绕组及铁芯均浇注在聚脂树脂内。中间窗孔供三相电缆穿过。
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