ABSTRACT:The influence of low pressure on the equipment and components was briefly summarized. The influence of low pressure on the equipment and components was mainly divided into five parts. The low pressure effected the sealing perfor-mance, thermal performance, electrical performance and mechanical properties of the equipment or components, and then even affected equipment and components. The effects of the combined effects of the environmental factors and other environmental factors on equipment or components were also studied. The low atmospheric pressure environment factor debased the usage ef-fect of equipment and components, and could not bring into play all effects. The research result will provide reference for the related departments for reasoning, development, production and operation.%总结了低气压对装备及元器件的影响研究情况，低气压对装备及元器件的影响主要分为五个方面，低气压对装备及元器件密封性能、散热性能、电性能、力学性能的影响，进而使得装备及元器件的整体使用效果受到影响，以及与其他环境因素综合作用对装备及元器件的影响。低气压环境因素降低了装备及元器件的使用效能，无法发挥应有的效能。研究分析结果将为相关论证、研制、生产、使用部门提供借鉴。
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