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建立了该型线的基本几何理论。
The basic geometrical theory of the profile is established.
youdao
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本文讨论“衣架型”，挤出模头几何设计。
In this paper, the geometrical design of coat-hanger die was discussed.
youdao
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本文讨论“衣架型”，挤出模头几何设计。
In this paper, the geometrical design of coat-hanger die was discussed.
youdao