A.AB=26.93,BC=23.35,AC=27.2 B.AB=26.93,BC=20.23,AC=26.5 C.AB=25.03,BC=23.35,AC=27.2 D.AB=25.03,BC=20.23,AC=27.2
A.最大曲率半徑處 B.最小曲率半徑處 C.輪廓折彎處 D.直角處
A.1/2-1/3 B.1/5-1/4 C.1/4-1/3 D.1/2-1