ferromagnetic materials的用法和樣例：
例句
- The ordinary rectangular electro-magnetic chuck is used for holding common ferromagnetic materials for machining.
普通矩形電磁吸盤(pán)用于吸持一般鐵磁性材料工件進(jìn)行加工。 - It is the critical point of the phase transition of ferromagtic or ferrimagnetic materials into paramagnetic materials.
是指磁性材料中自發(fā)磁化強度降到零時(shí)的溫度，是鐵磁性或亞鐵磁性物質(zhì)轉變成順磁性物質(zhì)的臨界點(diǎn)。
