按照《Bettis气动执行机构操作维护》的要求,Bettis气动执行机构所连接的球阀控制要求为失气()
A. 开
B. 关
广佛线目前TCM采用的操作系统是()
A. dos
B. Windows XP Embeded
C. Windows 7
D. Linux
一号线的SC服务器采用数据库()
A.Sybase
B. Froxpro
C. Interbase
D. Oracle
SCADA是电力监控系统的英文缩写,其英文全称为()
A. ?Supervisory Control and Data Acquisition
B. ?Supervisory Control and Digital Acquisition
C. ?Supervisor Control and Data Acquisition
D. Supervisor Control and Digital Acquisition