This is not true in oilquenching, 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。
2
This is not true in oilquenching, 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。
3
The result shows it is viable that 45 steel ooze boron oilquenching replacing conventional 45 steel found produces tower wheel in water tank drawbench .