| 2. | Ddg series low - voltage large - current dry - type transformers special transformers for line frequency furnaces , electro - slag furnaces , resistance furnaces , and salt bath furnaces applications ; small - capacity high - voltage transformers
各种特殊变压器工频炉变压器电渣炉变压器电阻炉变压器盐浴炉变压器小容量高压变压器等 |
