在布线时,电源线槽和弱电线槽之间的距离应至少()以上。
A. 1m
B. 5cm
C. 10cm
D. 50cm
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水平运输大巷是为整个开采水平或阶段运输服务的水平巷道叫水平运输大巷,是沿煤(岩)层走向开掘的巷道。
A. 正确
B. 错误
由于纸托盘材质的特殊性,其具有价格低、质轻、方便的优点。
A. 正确
B. 错误
石门是在岩层中垂直或斜交于煤层走向,开掘的岩石水平巷道叫石门。石门又分为主要运输石门和采区运输石门。
A. 正确
B. 错误
You have an Exchange organization.All servers in the organization have Exchange Server 2010 Service Pack 1 (SP1) installed. The organization contains two Mailbox servers named Server1 and Server2.Each Mailbox server has one mailbox database and one public folder database. You discover that all users create public folders on Server1 only. You need to ensure that all users create public folders on Server2 only. What should you do?()
A. Move all mailboxes to Server2.
B. Modify the properties of both mailbox databases.
C. Remove all public folder replicas from Server1.
D. Modify the properties of both public folder databases.