氮气源系统是根据我国大型空间环境模拟设备对纯净氮气的需要而设计的。
The system of nitrogen source is designed for the need of pure nitrogen of the large space environment simulating equipment in our country.
其内部磁路采用计算机模拟设计、完善的双磁极结构，保障整机在恶劣环境中无故障长期运行。
It USES computer simulation design with double magnetic poles structure to make the machine work long without troubles in adverse circumstance.
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