oil-quenching steel 油淬火钢
The result shows it is viable that 45 steel ooze boron oil quenching replacing conventional 45 steel found produces tower wheel in water tank drawbench .
用45钢渗硼油淬用来代替传统的45钢铸造生产水箱拉丝机中的塔轮是可行的。
An Analysis on Fatigue Fracture of Oil-Suck-Rod of Non- Quenching and Tempering Steel;
采用扫描电镜等手段分析了断裂活塞，结果表明活塞断裂的性质属于疲劳断裂。
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