The invention relates to a novel iron core for an electromagnetic voltage transformator and a building method thereof.

本发明涉及一种新型的电磁式电压互感器铁心及其搭建方法。

What are the costs of establishing such factory with approximately 500 workers for transformator, cable and insulators sections?

什么是成本建立这样一个工厂的工人约500用于变压器，电缆和绝缘体部分？