一次绕组采用油纸电容型绝缘结构。
The primary winding is with oil-paper capacity insulation structure.
绝缘介质层的二次电子发射，使放电电流增大。
The secondary electron emission from the dielectric layer makes the discharge current increase.
二次绕组均浇注在环氧树脂内，绝缘性能优良，耐潮湿。
The primary and secondary windings are insulated by epoxy resin.
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