这个词用英文怎么说？

copper bar
The lead-out method of large current and the lead constructure in furnace transformer are introduced. The several connection methods of outlet copper bar and short-net copper bar are analysed and compared.
介绍了冶炼炉变压器的大电流引出方法及引线结构，对出线铜排与短网铜排联结的几种方法进行了分析比较。

要看具体应用环境才知道你这里的"铜排"是什么意思的,并不是所有的中文单词英语都有相应的词汇的.

BRASS BAR 这是直译

bronze medal

bronze medal

铜排bronze prise