self-cooled transformer 自冷变压器 ; 自冷式变压器

dry self-cooled transformer 干式自冷变压器

dry type self cooled transformer 干式自冷变压器

oil-immersed self cooled transformer 油浸自冷式变压器

dry enclosed self-cooled transformer 干式密闭自冷式変圧器

immersed self cooled transformer 油浸自冷式变压器

oil immersed self cooled transformer 油浸自冷变压器

transformer self-cooled 自冷变压器