我需要一个粗加工的模。
Otherwise, he will never be able to preform again.
否则，他不会是能的再预先形成。
Preform design is important for forging process design.
预制坯设计是锻造工艺设计中的重要内容之一。
At last, the development trends of preform design methods are put forward.
最后指出了预成形设计的发展趋势。
At last, the development trends of preform design methods are put forward.
最后指出了预成形设计的发展趋势。
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