常见的客车的种类?
参考答案:
有硬座车、软座车、硬卧车、软卧车、餐车、行李车、邮政车等数种
Your family are going _____ vacation. Please leave a massage _____ your best friend Sandy.[ ]
A. on; to
B. on; for
C. for; to
D. for; with
中心线沿被检体局部边缘投射称为
A.前后方向
B.后前方向
C.切线方向
D.冠状方向
E.轴方向