福特将这一过程颠倒过来，试试是否会加速汽车上一个叫做磁石发电机的部件的生产。
Ford reversed this process to see if it would speed up production of a part of an automobile engine called a magneto.
你还可以用电磁石，发电机和变压器！
You can also play with electromagnets, generators and transformers!
你还可以用电磁石，发电机和变压器！
You can also play with electromagnets, generators and transformers!
应用推荐