The magnetic memory effect of ferromagnetic items under the condition of static tension was studied.
研究了静拉伸试验时铁磁构件的金属磁记忆效应。
Flexibility: flexible rotation lock core, without obvious card rolling feeling. Pull out the static tension.
灵活度：锁芯旋转灵活，无明显卡轧感觉。
Flexibility: flexible rotation lock core, without obvious card rolling feeling. Pull out the static tension.
灵活度：锁芯旋转灵活，无明显卡轧感觉。
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