The superplastic forming of the precision plastics telephone key die can be realized in optimum conditions. The results show that the technology has good practical effect.
在最佳变形条件下利用该钢进行精密塑料电话机按键模的超塑成形，可一次成形出精度较高的模具，证明其有较好的应用效果。
The superplastic forming of the precision plastics telephone key die can be realized in optimum conditions. The results show that the technology has good practical effect.
在最佳变形条件下利用该钢进行精密塑料电话机按键模的超塑成形，可一次成形出精度较高的模具，证明其有较好的应用效果。
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