大多数备份解决方案，尽管对其进行了良好的管理，但通常依赖于交替和循环使用用于存储数据的介质或目标。
Most backup solutions, however well managed, often rely on rotating and recycling the media, or destination, used to store the data.
由于干燥介质可循环使用，因而热能利用率高，是一种新颖的节能干燥设备。
Basing on heating medium can be circularly used, its thermal energy's utilization rate is high and it is a new type of energy saving drier.
系统内配置高，低压水泵供压装置，试验介质循环贮存使用。
High disposition built-in system, low pressure water pump device, test medium circulation storage use.
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