65.純水之水活性為
(A)0.2
(B)0.5
(C)0.7
(D)1.0
答案:登入後查看
統計: A(0), B(0), C(0), D(7), E(0) #2899784
統計: A(0), B(0), C(0), D(7), E(0) #2899784