试题与答案

退火后()偏高,多数情况造成的原因是冷却过快。A、弹性 B、硬度 C、韧性 D、应力

题型:单项选择题

题目:

退火后()偏高,多数情况造成的原因是冷却过快。

A、弹性

B、硬度

C、韧性

D、应力

答案:

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