問題詳情
21. Which of the following are NOT advantages and characteristics of hot working relative to coldworking:
(A) fracture of workpart is less likely,
(B) friction is reduced,
(C) isotropic mechanicalproperties,
(D) lower deformation forces is required,
(E) more significant shape changes are possible?
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