通过实例分析，得出薄板焊接结构件自然时效周期远远小于实心件周期，并对其机理进行了分析。
Through the analysis of the example and mechanism, the natural ageing cycle of the structure welded by than plate is less than the one welded by solid metal.
通过实例分析，得出薄板焊接结构件自然时效周期远远小于实心件周期，并对其机理进行了分析。
Through the analysis of the example and mechanism, the natural ageing cycle of the structure welded by than plate is less than the one welded by solid metal. It's mechanism is analyzed.
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