气煤在结焦过程中收缩大，焦炭裂纹多，焦块细而长，易碎。在配煤中配入气煤可以降低炼焦过程中的膨胀压力和增加焦饼的收缩，有利于推焦 。
You are the network administrator for The network contains a Windows Server 2003 computer named Testking1. Testking1 contains two NTFS volumes, on separate disks, that use drive letters C and D. Drive C has Shadow Copies enabled. The storage area for the shadow copies of drive C is located on the same volume. Drive C is running out of disk space. Drive D is empty. You decide to move the storage area for the shadow copies to drive D. You need to move the storage area for the shadow copies of drive C to drive D. What should you do first on Testking1?（） Delete all existing shadow copies from drive c.。 Run the Vssadmin add shadowstorage command.。 Perform a normal backup if the entire drive C, and then restore the backup to drive d.。 Enable Shadow Copies on drive D, but do not schedule shadow copy creation for drive d.。 Stop the Volume Shadow Copy service.。
建筑钢材的伸长率与（）标准拉伸试件标距间长度的伸长值有关 到达屈服应力时。 试件断裂后。 试件塑性变形后。 到达极限应力时。
正确的入党动机是（） 为了个人、家庭都光荣。 为报答党的恩情。 为了实现自己的政治野心。 为了实现共产主义，全心全意为民服务。
党的十八大报告指出： 建设中国特色社会主义总布局是（）。 社会主义初级阶段。 五位一体。 与时俱进。
Which two of the following values does STP take into consideration when it elects the root bridge?（）
