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对爆炸场所的接地和接零的具体要求是什么？

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对于一副塑料模，影响其生产效率的最主要因素是（）。

A. 注射时间
B. 开模时间
C. 冷却时间
D. 保压时间

Your network consists of a single Active Directory domain. All network servers run Windows Server 2003 Service Pack 2 (SP2). You need to use Windows Backup to restore files to a shared folder located on a file server. The restore must maintain all the file versions saved by users since the last backup. What should you do?（）

A. Restore the files to their original location and select the Replace existing files option.
B. Restore the files to their original location and select the Replace existing files if they are older than the backup files option.
C. Restore the files to an alternate location. Copy the files to the shared folder and choose to overwrite the files with duplicate file names.
D. Restore the files to an alternate location. Copy the files to the shared folder and choose not to overwrite thefiles with duplicate file names.

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简要分析陶渊明田园诗的思想内容是什么？

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BD型单色示温材料运行中发现变色的，要及时打开线夹检查。

A. 正确
B. 错误

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