This paper elaborated a security policy system overhead construction in financial charge system, discussed in detail the possibly appearing security problem and produced a solution.
阐述了一个财政收费系统安全策略体系架构，并对系统中可能出现的安全问题进行了详细的论述，同时给出了解决方案。
The necessity of technical improvement for centrifugal compressor seal system is briefly described. The improving method of taking the overhead tower dry gas as seal gas is introduced in detail.
简述了引进的离心压缩机密封系统技术改进的必要性，具体介绍了用塔顶干气作为密封气的改造方案。
The necessity of technical improvement for centrifugal compressor seal system is briefly described. The improving method of taking the overhead tower dry gas as seal gas is introduced in detail.
简述了引进的离心压缩机密封系统技术改进的必要性，具体介绍了用塔顶干气作为密封气的改造方案。
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