空气压缩机风包上必须装有可靠的()和(),并有检查孔。
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乙烯氧化生产的含环氧乙烷的气体首先采用()分离。
A. 吸收
B. 精馏
C. 结晶
D. 萃取
You have an Exchange Server 2010 organization that contains three Mailbox servers.All Mailbox servers are members of a database availability group (DAG) and have a public folder database.The Active Directory forest contains one site.You create a new site and install new Exchange Server 2010 servers in the site.You need to ensure that public folders are stored on servers in both sites.What should you do?()
A. Create a public folder database on a server in the new site. Modify the replication settings for all public folders
B. Create a public folder database on a server in the new site.Run the Set-DatabaseAvailabilityGroup cmdlet from a server in the new site
Configure clustered continuous replication (CCR) on two servers in the new site. Modify the replication settings for all public folder databases
D. Configure standby continuous replication (SCR) on a server in the new site. Run the Enable-StorageGroupCopy cmdlet from a server in the new site
报社办报收入=报纸发行总收入+()。
A. 报社广告收入
B. 报社印刷厂收入
C. 报社销售总收入
D. 报社各种经营收入
在仪表、电气的设备中,工作接地包括()
A. 信号回路接地
B. 屏蔽接地
C. 本安仪表接地
D. 电源接地