25 下列塑性加工法,何者不適合無縫管加工?
(A)穿孔法(Piercing)
(B)斜滾軋(Skew rolling)
(C)管子擠製法(Tube extrusion)
(D)引伸法(Drawing)
答案:登入後查看
統計: A(109), B(764), C(43), D(98), E(0) #2355198
統計: A(109), B(764), C(43), D(98), E(0) #2355198