在图中铅笔长度的测量值是__________ cm.
6.60+0.01
Last night, a prisoner (罪犯) escaped _____ the prison. [ ]
A. out of
B. from
C. Both A and B
细实线一般用于绘制().
A.主要可见轮廓线
B.可见轮廓线
C.可见轮廓线、图例线
D.不可见轮廓线