29. phpg3pQI2 左圖正確的剖視圖為
(A)phpsV645g
(B)phpDFVhkO
(C)phpNkY1KWphpAXEMOyphpZqcrmH
(D)php9ET1dx

答案:登入後查看
統計: A(3), B(3), C(13), D(1), E(0) #1790808