交付2臺400kVA EPJS三相電動可變變壓器
There are three types of auto transformers: step-up, step-down, and variable auto transformers which can be either step-up or step-down the voltage. Variable auto transformers are used in the laboratory and industry to provide a wide range
Date:2021-03-22 14:29:45
Public by:Jing Jing