题目内容

在数控机床上加工零件,常用工序划分方法有:按粗精加工划分工序、按先面后孔的原则划分工序,或按所用刀具划分工序。

A. 正确
B. 错误

查看答案
更多问题

粗加工时,一般允许积屑瘤存在;精加工时,由于工件的表面粗糙度要求较小,尺寸精度要求较高,因此必须避免产生积屑瘤。

A. 正确
B. 错误

说明下面字的意义。但

创新人才所需的心智模式包括()

A. 内在动机心智
B. 专门领域知识心智
C. 问题发现心智
D. 说服传播心智

Your network contains a file server named Server1 that runs Windows Server 2008 R2.You have a folder named Folder1.You need to ensure that files in Folder1 that are older than 365 days are automatically moved to an archive folder. What should you create from the File Server Resource Manager console?()

A. a file group
B. a file management task
C. a file screen
D. a quota

答案查题题库