1.precision casting of the coating materials, electrical transformer products, envelope material Such as packing.
精密铸造的内涂层料、电工产品有互感器、封袋料的填料等。
2.Yes Tracy, I will need the electrical transformer as pictured.
是特雷西，我需要电力变压器，如右图。
3.Research on Efficient and Economic Operation of Electrical Transformer
配电变压器经济运行方式研究