“永磁”造句

异步起动永磁同步电动机具有较高的功率因数和效率,同时具有异步起动能力.
Line - start permanent magnet synchronous machine has high efficiency and power factor.

林莘. 永磁机构与真空断路器. 北京: 机械工业出版社2002.
LIN Xin . Permanentmagnet and vacuum breaker. Beijing: China Machine Press 2002.

外地可能提供的永磁材料,或由电磁铁.
The field may be provided by permanent magnets or by electromagnets.

• #永磁