办公自动化系统是指()
A、办公计算机操作系统
B、Office软件
C、支持单位综合办公业务的集成化信息系统
D、局域网系统
参考答案:C
(2013·皖南八校联考) ________ a lady of her necklace, the young man was arrested on the spot by a policeman.
A.Having caught robbing
B.Caught robbing
C.Being caught robbing
D.Catch robbing
压缩机运行过程中出现哪些情况需紧急停机?