Insulating layer: coating on the electrode or hanging fixture, a part of the surface of the part of conductive material layer.
绝缘层：涂于电极或挂具的某一部分，使该部位表面不导电的材料层。
Insulating layer: coating on the electrode or hanging fixture, a part of the surface of the part of conductive material layer.
绝缘层：涂于电极或挂具的某一部分，使该部位表面不导电的材料层。
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