Potential Transformers短语¹⁴⁴⁹⁷²⁺² 基本例句 🌏测量用变压器；仪表用变压器 This paper introduces the principle of a layer effect method to manufacture a new current limiting fuse for protecting high voltage potential transformers. 介绍了一种敷层效应的原理，利用该原理已研制出一种高压电压互感器保护用限流熔断器。 dictall