1.10倍目鏡的視野值通常為多少毫米?
(A)1
(B)2
(C)10
(D)20
答案:登入後查看
統計: A(183), B(159), C(343), D(1045), E(0) #2744701
統計: A(183), B(159), C(343), D(1045), E(0) #2744701