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关于无缝方管的开裂现象分析
发布者:山东方管厂发布日期:2019/11/12 9:40:54点击:67

  无缝方管是在加工过程中由外力挤压而成的,无缝方管是由无缝方管或焊管经多道轧辊轧制挤压而成,钢管在变形时会出现开裂问题。

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