This is not true in oil quenching, when the surface temperature may be high during the critical stages of quenching.

但油淬情况就不是如此，因为油淬时在淬火临界阶段零件表面的温度可能仍然很高。

youdao

This is not true in oil quenching, when the surface temperature may be high during the critical stages of quenching.

但油淬情况就不是如此，因为油淬时在淬火关键阶段零件表面的温度可能仍然很高。

youdao