用图解法和两端点连线来测量直线度误差,两端点连线法测出的直线度误差在公差范围内,那么用图解法测得直线度误差()公差范围内。
A、一定在
B、不在
C、可能在
D、无法确定
参考答案:A
This article is well written because special attention ______ to the choice of words nod style of writing.
A.had been paid
B.has been paid
C.will be paid
D.will have been paid
下列少数民族中有哪几个民族的祖先是古羌人( )
A.彝族
B.壮族
C.苗族
D.纳西族
E.傣族