基于洞库内环境条件，采用整体气相封存技术，对大型装备进行储存保管，介绍了封存原理及工艺技术，并对不同封存期限装备封存器材的质量和封套内的相对湿度进行了检查和对比，分析了装备气相封存效果的影响因素。

Whole body gas phase seal and storage technology was applied for large equipment based on the environmental condition of cavern. The principle and technologies of the seal and storage were introduced. The quality of envelope of different service term and inner humidity of the envelope were inspected and compared. The factors influencing the effect of gas phase seal and storage were analyzed.