33.下列何種熱處理可使碳鋼的材質軟化,並消除內部應力?
(A)回火
(B)退火
(C)正常化
(D)淬火
答案:登入後查看
統計: A(112), B(860), C(28), D(32), E(0) #2402272
統計: A(112), B(860), C(28), D(32), E(0) #2402272