cascade-connected transformer的意思|示意

串联变压器 cascade testing transformer,cascade testing transformer, 级联试验用变压器 cascade-connected transformer 串联变压器 cascade type potential transformer 级联电压互感器 ..

串级变压器 ... 串级变频器 concatenated frequency changer 串级变压器 cascade-connected transformer 串级冲击仪 cascade impactor ...