题目内容

发电厂的并网调度协议有哪些？

查看答案

搜索结果不匹配？点我反馈

更多问题

You are working on Oracle Database 10g， which is in ARCHIVELOG mode. All the archived log files are intact. In which scenario would performing a recovery require the opening of the database with the RESETLOGS option？（）

A. loss of a tempfile
B. loss of a system data file
C. loss of one of the control files
D. loss of one of the tablespaces
E. loss of a member from each redo log group
F. loss of the only member of an unarchived redo log grou

查看答案

按空间位置，（）焊缝为最佳焊缝形式。

A. 平
B. 立
C. 横
D. 仰

查看答案

尺寸精度要求较高的有色金属的切割可采用（）。

A. 气割
B. 等离子切割
C. 线切割

查看答案

法兰螺丝在坚固后，丝扣的长度以露出螺母2~3扣为宜。

A. 正确
B. 错误

查看答案