单项选择题
A.H 面下转45°B.V 面永不动C.H面右转90°D.H面下转90°
A.对OZ 轴B.对H 面C.对W 面D.对V 面
A.A(25,15,25)B(15,15,15)B.A(35,20,15)B(35,15,15)C.A(10,30,20)B(15,30,20)D.A(30,10,20)B(30,15,30)