来自郭艳飞的问题
英语翻译aretwomaintypesofcircuitconnection.Thecurrentineverypartofseriescircuitisthesame.
英语翻译
aretwomaintypesofcircuitconnection.Thecurrentineverypartofseriescircuitisthesame.
1回答
2020-09-22 15:06