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【单选题】
大面积凹陷和小面积凹陷损伤修复的区别是?
A.
前者重点是消除板件的弹性变形,后者重点是消除板件的塑性变形
B.
前者重点是消除板件的塑性变形,后者重点是消除板件的弹性变形
C.
两者重点都是是消除板件的弹性变形
D.
两者重点都是是消除板件的塑性变形
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