Backing up key files is about a combination of identifying the files and finding a suitable method for storing and backing up that information.
备份关键文件涉及到确定相关文件,并找到一种合适的方法存储和备份这些信息。
Used either solely as Rough Pumps, or in combination with other high vacuum pumps as Backing Pumps.
可单独作低真空泵用,也可与其他高真空泵组合作前级泵用;
Used either solely as Rough Pumps, or in combination with other high vacuum pumps as Backing Pumps.
可单独作低真空泵用,也可与其他高真空泵组合作前级泵用;
应用推荐