以下对可视化排程功能描述正确的是()
A.委外加工生产任务不能进行可视化排程
B.返工任务单不能进行可视化排程
C.重复生产计划不能进行可视化排程
D.以上选项都不正确
参考答案:A
His wife was ill in hospital, but____ it didn't havemuch influence on his research work. [ ]
A. fortunately
B .eventually
C. certainly
D. surprisingly
极限尺寸是允许尺寸变化的两个界限,它以()为基数确定。
A.尺寸公差
B.基本尺寸
C.实际尺寸
D.测量尺寸