水泥细度筛析时，应调整负压范围在4000-6000Pa之间，连续筛析3min，当负压小于4000Pa时，应清理吸尘器内的水泥至负压正常。
Your network consists of an Active Directory forest named contoso.com. All servers run Windows Server 2008 R2. All domain controllers are configured as DNS servers. The contoso.com DNS zone is stored in the ForestDnsZones Active Directory application partition. You have a member server that contains a standard primary DNS zone for dev.contoso.com. You need to ensure that all domain controllers can resolve names for dev.contoso.com. What should you do（） ["Create a NS record in the contoso.com zone.","Create a delegation in the contoso.com zone.","Create a standard secondary zone on a Global Catalog server.","Modify the properties of the SOA record in the contoso.com zone."]
岩浆结晶观点
既存状况条款
青贮
元首制
