25.傳統含鎘鉛合金擋塊(Cerrobend block)的密度(g/cm3)為何?
(A)6.5
(B)9.4
(C)11.3
(D)13.6
答案:登入後查看
統計: A(61), B(1190), C(560), D(155), E(0) #1635451
統計: A(61), B(1190), C(560), D(155), E(0) #1635451
