4. 請問區分低酸性罐頭與酸性罐頭的 pH 值為何?
(A)3.9
(B)4.3
(C)4.6
(D)5.2
答案:登入後查看
統計: A(2), B(2), C(34), D(0), E(0) #2844950
統計: A(2), B(2), C(34), D(0), E(0) #2844950