transformer

名词 transformer:

1. an electrical device by which alternating current of one voltage is changed to another voltage

1. Open tender for purchasing power transformer.
   公开招标购买电力运输设备。
2. An electrical transformer in which the primary and secondary coils have some or all windings in common.
   自耦变压器一种电力变压器，其初级线圈与次级线圈部分或全部共用