問題詳情

3. Which of the following processes start with a material that is in a fluid or semifluid state and solidifiesthe material in a cavity:
(A) casting,
(B) forging,
(C) machining,
(D) turning,
(E) pressing?

參考答案

答案：[無官方正解]
難度：計算中-1
書單：沒有書單，新增