[机] 淬火裂痕

quenching crack的用法和样例：

例句

Results show that the crack is mainly intergranular and there is no decarburization and oxidation at the edge of the crack.根据齿座表面裂纹主要呈沿晶扩展，裂纹两侧无脱碳和氧化现象，认为该裂纹为淬火裂纹。
In addition, quenching cracks in the release valve arise from the stress concentration at incisions of valve intracavity.而淬火裂纹系因泄放阀体内腔刀痕的应力集中而产生的。

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abandonate

allowable impact load