Iron can be magnetized by passing an electric current round it.让电流通过铁能使铁磁化.Each bobble is magnetized in one direction or the other.每个磁泡可以按不同方向磁化.The ferrofluid can be magnetized to the saturated state in presence of an e...
This screwdriver has been magnetized.这把改锥已经磁化了。Each bobble is magnetized in one direction or the other.每个磁泡可以按不同方向磁化.Iron can be magnetized by passing an electric current round it.让电流通过铁能使铁磁化....