井工煤层安全生产标准化评分权重地质灾害防治与测量权重为0.1
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已知标准砖的尺寸为240mm×115mm×33mm,灰缝为10mm,则砌1m半砖墙标准砖的用砖量为()。
A. 385块
B. 527.1块
C. 529.1块
D. 1017.5块
玻璃纤维增强复合材料耐温性能和耐腐蚀性能均由()决定。承受主要载荷的是()。
Which two operations are NOT performed by the DUPLICATE command in Recovery Manager (RMAN) whileduplicating a running database? ()(Choose Two)
A. Creating the control file for the duplicate database
B. Restoring the target data files to the duplicate database
C. Performing complete recovery using all available backups
D. Generating a new, unique DBID for the duplicate database
E. Copying the online redo log files from the target database to the duplicate database