铁素体在770℃有磁性转变,在770℃以下具有铁磁性,在770℃以上则失去铁磁性。() 此题为判断题(对，错)。
铁素体在770℃有磁性转变,在770℃以下具有铁磁性,在770℃以上则失去铁磁性。()
此题为判断题(对，错)。
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