阿摩線上測驗
61. Where should the hole be drilled before sawing the inner closed curve？
(A) Turning position on the curve
(B) Turning position outside the curve
(C) Turning position inside the curve
(D) Center inside the curve
答案：登入後查看
統計： A(4), B(5), C(44), D(3), E(0) #2929638
統計： A(4), B(5), C(44), D(3), E(0) #2929638
