24.鉛蓄電池充電充滿時,其電解液之比重為:
(A)1.05-1.1
(B)1.28-1.3
(C)1.35-1.4
(D)1.48-1.5

答案:登入後查看
統計: A(3), B(22), C(6), D(1), E(0) #1198234