碳弧气刨时,应使用专用碳棒,以免产生过多的有害气体。
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计量是现代度量衡。计量比度量衡更确切、更广泛、更科学。
A. 正确
B. 错误
《阳世的形成》是保安族族创世神话,对宇宙起源进行了描述。
A. 正确
B. 错误
You are managing Oracle Database 11g with an ASM storage with high redundancy. The following command was issued to drop the disks from the dga disk group after five hours: ALTER DISKGROUP dga OFFLINE DISKS IN FAILGROUP f2 DROP AFTER 5H; Which statement is true in this scenario?()
A. It starts the ASM fast mirror resync.
B. All the disks in the dga disk group would be OFFLINE and the DISK_REPAIR_TIME disk attribute would be set to 5 hours.
C. It drops all disk paths from the dga disk group.
D. All the disks in the dga disk group in failure group f2 would be OFFLINE and the DISK_REPAIR_TIME disk attribute would be set to 5 hours.
确定项目目标,首先应依据施工组织设计的项目质量总目标和工程项目的组成与划分,逐级分解,落实责任部门和个人。
A. 正确
B. 错误