题目内容

澄清池运行中,水温有何影响?

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简述澄清池进行中应注意事项。

You are using RMAN to backup your ARCHIVELOG mode database. You have enabled control-file autobackups. Which files are not backed up during the RMAN backup?()

A. Database Datafiles
B. Database Control Files
C. Online redo logs
D. Archived redo logs
E. The database SPFILE
F. None of the above,all these files are backed u

下列金属材料属合金钢的为()。

A. 20#钢
B. Al
C. 1W13
D. 都不对

物料平衡是指原料消耗量为产品生成量和()之和。

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