变压器经济运行
Economic operation of transformer
transforming economic moving
transformer economic operation
电缆线路经济运行分析
Economic operation analysis of cable lines
经济运行分析
economy performance analysis
Economic performance analysis
分压分析器
partial pressure gage
partial pressure analyzer
机组滑压运行分析
Analysis of Sliding Pressure Operation
变频升压变压器
step-up transformer with variable frequency
变压器变换
transformer transformation
变压器的经济运行方式
Economical Run Modes of Transformer
Economic Operation Modes of Transformers
变压器分接头调节
transformer tap adjusting
变压器分接头自动切换开关
automatic tap-changing device