按照轴测图的轴向变形系数不同,正(斜)等测应为:()
A.p=q=r
B.p=q≠r
C.p≠q≠r
D.p≠q=r
参考答案:A
--- Are you coming to Jeff’s party?
--- I’m not sure. I _______ go to the concert instead
A.must
B.would
C.should
D.might
论述如何修磨标准麻花钻,以提高其钻销性能?