超高压变压器油
ultrahigh voltage transformer oil
减速器油压检查
retarder oil pressure check
行车制动器油压检查
service brake oil pressure check
变频升压变压器
step-up transformer with variable frequency
变压器变换
transformer transformation
变压器油示踪气体
Fault gases dissolved in transformer oil
变压器油中气体在线智能诊断系统
Transformer DGA Diagnose System Online
变压器油中溶解气体
dissolved gases of power transformer
Dissolved Gases in Transformer Oil
差压变压器式位移传感器
differential transformer displacement transducer
厂用高压变压器
station service transformer