彈墨線時,棉線提起應與放樣面成多少度?
(A)45
(B)90
(C)135
(D)180
答案:登入後查看
統計: A(0), B(4), C(0), D(1), E(0) #283070
統計: A(0), B(4), C(0), D(1), E(0) #283070