In 1986 we designed the procedure auto-control vacuum nitriding furnace and studied the pulse vacuum nitriding processes.
1986年，我们共同设计制造程序自动控制真空氮化设备和研究真空脉冲氮化工艺。
In 1986, we designed the procedure auto-control vacuum nitriding furnace and studied the pulse vacuum nitriding processes.
1986年，我们共同设计制造程序自动控制真空氮渗设备和研究真空脉冲渗氮工艺。
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