电水力控制压力调节器
EHC (electro-hydraulic control pressure regulator
电压调节器控制
voltage regulator control
调节器电压调整控制装置
regulator voltage adjustment control
卡片盒式调节器电压调整控制
card cage type regulator voltage adjustment control
负载比[电压]调压器
load-ratio control transformer
测量用变压器电压检验
potential transformer voltage check
低压电器电触头
low voltage apparatus electrical contacts
电压调控开关
voltage-controlled switch
发电厂自动电压调控系统
power plant auto voltage control system
辉光放电调压器
glow discharge voltage regulator