62.下列何種門窗扇板間有適當間隙,以視線不直視爲原則?
(A)老虎窗
(B)鋁門窗
(C)百葉門窗
(D)防火門窗

答案:登入後查看
統計: A(7), B(6), C(386), D(6), E(0) #967157