Through the analysis of elements affecting the rough crystal zone in pipeline steel weld, it raises the flexing direction of rough crystal zone of pipeline steel.
通过对管线钢焊接粗晶区韧性影响因素的分析，提出了管线钢粗晶区的韧化方向。
Through the analysis of elements affecting the rough crystal zone in pipeline steel weld, it raises the flexing direction of rough crystal zone of pipeline steel.
通过对管线钢焊接粗晶区韧性影响因素的分析，提出了管线钢粗晶区的韧化方向。
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