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在对奥氏体不锈钢焊缝低温冲击韧度进行试验并进行焊接工艺评定的基础上，制定了真空粉末绝热低温液体储槽内筒体施焊的焊接工艺，提出了防止焊接过程中出现缺陷的措施。
Based on the test of low temperature impact toughness of austenitic stainless steel weld and the evaluation of welding process, the welding process of inner cylinder of vacuum powder adiabatic cryogenic liquid storage tank was established, and the welding process was put forward to prevent the defects Measures.