结果表明：闭孔泡沫铝的轧制应遵循多道次、小变形的原则。
The results showed that in the rolling process of closed-cell aluminum foam the basic principle is multiple pass with small deformation, eg.
分析了粉末烧结材料镦粗和复压工艺的致密效果，提出了闭式模锻工艺设计原则。
The densification effects of upsetting and repressing are compared, and a technology design principle for closed die forging is suggested .
分析了粉末烧结材料镦粗和复压工艺的致密效果，提出了闭式模锻工艺设计原则。
The densification effects of upsetting and repressing are compared, and a technology design principle for closed die forging is suggested .
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