他们把每个海龟放进有磁线圈围绕的小池子里。
They plopped each turtle into a small pool surrounded by magnetic coils.
对于它励直流电动机，励磁线圈由一个单独的电源来励磁。
In the separately excited dc machine, the field winding is excited from a separate source.
最初的产品线包括电子测试设备，磁线圈，线圈和无线电频率。
The initial product line consisted of electrical test equipment, magnetic windings, and radio frequency coils.
最初的产品线包括电子测试设备，磁线圈，线圈和无线电频率。
The initial product line consisted of electrical test equipment, magnetic windings, and radio frequency coils.
应用推荐