The authors consider that rational welding sequence and multi-plate skip welding method can effectively suppress the wave-type deformation of bottom welding.

提出采用合理控制装配、焊接顺序以及多段逆向大幅度跳焊法等工艺，可有效控制油罐底板焊接时产生的波浪变形。

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Meanwhile, in the solution, the stateful MAC tree for checking file content integrity, the skip list for checking operation sequence are used.

此外，使用有状态的MAC树对文件内容做完整性检测，用跳跃列表对文件操作进行检测。

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