题目内容

高炉冶炼对焦炭水份的要求是主要()、()。

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为防止锅炉断水高压加热器启停,应注意哪些问题?

在串级控制系统中,()为主变量表征其特性的工艺生产设备

A. 主回路
B. 主对象
C. 主控制器
D. 执行期

主风分布管的好坏直接影响流化床的流化质量、()、和催化剂的损耗。

How can a directory named /dirl be excluded during a restore of files backed up by name with the backup command()

A. By using the restore -x option followed by /dirl
By adding an entry in the /etc/restore.exclude file
C. By using the restore -i option to enter interactive mode and executing the command:delete /dirl
D. By using the restore -i option when running restore to specify a text file containing ’/dirl1 as one of the lines in it

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