电源保护伴侣

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<正>如果你的PC电源环境不稳定,宝贵的数据和工作成果可能就会因停电或电压突变而毁于一旦。APC公司除了保护大型设备的高档UPS产品之外,他们也针对个人用户提供了新的Backup-UPS:ES500系列小型UPS。 Backup-UPS ES 500体积不大,它29×18.6×8.5厘米的尺寸可以在家用环境之中找到安身之地。如果实
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