The concept of "softening rate at sustained load" was suggested in accordance with the fact that the the hardness at high temperature decreases with the increase in holding time.

根据高温硬度随保载时间延长而变小这一事实，提出了“保载软化率”的概念。

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The concept of "softening rate at sustained load" was suggested in accordance with the fact that the the hardness at high temperature decreases with the increase in holding time.

根据高温硬度随保载时间延长而变小这一事实，提出了“保载软化率”的概念。

youdao