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Regular maintenance generally refers to the regular inspection and maintenance of hardware facilities. The range of detection here is as wide as possible. If the range is too large, Depending on asset type and asset range, Sampling tests are conducted, But all machines must be checked once a year, Replace the equipment with unstable performance or failure in time. Attention should be paid to monitoring the hardware equipment here. I have encountered the event of standby server failure for half a month. Let's not talk about it. Finally, maintenance should cover all equipment, regardless of network, security, server, basic power, air conditioning, UPS, etc.远离城市中心，被浓郁的自然环境所环绕的村落——雏见泽村。期待明天的剧集，希望周星河能演好小鱼儿。The professional mode can be opened by drawing the pro button at the bottom of the camera interface阿里被杀，公主丢了，敌人很快就会大批出动，四下搜查的，她必须快点赶去跟哥哥会合。　　Mystery: