利用曲轴冲床改装为粉末冶金自动压机，是一些小型企业常用的方法。
To refit a crank-shaft press into P/M automatic press is a common way for some small-scale factories.
在通用压机上生产类似全纤维曲轴一类锻件的先进工艺为多向镦锻法。
The advanced technology for producing these kind of forgings which are similar to full fi-bers crankshaft forging on a general forging press is upsetting and offsetting operation.
采用电动谐振法对空压机曲轴进行疲劳试验。
Electrical resonant method is used in crankshaft fatigue testing of an air compression machine.
采用电动谐振法对空压机曲轴进行疲劳试验。
Electrical resonant method is used in crankshaft fatigue testing of an air compression machine.
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