36 復形用光聚合樹脂以光照聚合後,其體積之變化為何?
(A)先膨脹後收縮
(B)先收縮後膨脹
(C)膨脹
(D)收縮

答案:登入後查看
統計: A(53), B(14), C(20), D(142), E(0) #1155710