36.不銹鋼中最主要之添加合金元素為何?
(A)鉻與鎳
(B)鉻與鋁
(C)矽與錳
(D)鋅與鉬
答案:登入後查看
統計: A(81), B(1), C(1), D(0), E(0) #1872774
統計: A(81), B(1), C(1), D(0), E(0) #1872774