galvanoscope是什么意思

用法例句

The principle of the first overcurrent test equipment for FACTS and HVDC thyristor valve in China is introduced.

介绍了我国第1套适用于灵活交流输电系统(FACTS)和高压直流输电系统(HVDC)的高压晶闸管阀过电流试验装置的基本原理。