32.打錠時,若punches沒有清潔乾淨,易造成下列何種狀況?
(A)capping
(B)splitting
(C)laminating
(D)softness
答案:登入後查看
統計: A(1799), B(589), C(378), D(46), E(0) #3380743
統計: A(1799), B(589), C(378), D(46), E(0) #3380743