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对高真空多层绝热液氧容器的真空寿命影响因素进行了分析和研究， 提出了解决问题的技术方案， 分析了吸附剂、吸气剂在获得和保持夹层真空度中的重要作用。
The factors influencing the vacuum life of high vacuum multi-layer insulation liquid oxygen container are analyzed and studied. The technical solutions to the problem are put forward. The important role of adsorbent and getter in obtaining and maintaining interlayer vacuum is analyzed.