Umformer
变换器, 变流机, 直流变压器
🗣️ 情景例句
I'm doing great.
我很好。
Would you please tell Mr. Cooper I called?
请您告诉库珀先生我打电话了？
The busmen have stated that the strike will continue until general agreement is reached about pay and working conditions.
司机们声称此次罢工将一直持续到就工资和工作条件问题达成全面协议的时候为止。