国产成人午夜一区二区麻豆-午夜国产精品福利在线观看-久久久久国产精品91福利-久久九九精品国产免费观看

35kV及以下油浸電力變壓器

 35kV  630～75000kVA三相雙繞組無勵磁調(diào)壓電力變壓器性能參數(shù)表
Technical Data Table of Three-phase Two-winding Off-circuit Tap Changing Power Transformers