题目内容

A.To protect her from getting scratches.B.To help relieve her of the pain.

A. To protect her from getting scratches.
B. To help relieve her of the pain.
C. To prevent mosquito bites.
D. To avoid getting sunburnt.

查看答案
更多问题

为了满足互换性要求,设计时规定的公差值越小越好。( )

用普通计量器具测量孔轴尺寸时,根据具体情况可以选择______、______和______验收极限。

图样中给出的零件尺寸的基本偏差绝对值愈大,则公差等级愈低。( )

体外作用尺寸是由局部实际尺寸和几何误差综合形成的。对一批零件来讲,若已知给定的尺寸公差值和几何公差值,

答案查题题库