The principles for machining sequence of each surface should be( )
and perform rough machining before finish machining.
选项:
A:perform datum surface machining before that of other surfaces
B:perform main functional surface machining before less important surface machining
C:perform plane surface machining before hole surface machining
D:perform complex surface machining before simple surface machining
发布时间:2024-04-25 15:14:39