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歡迎來到鹽山昱通螺旋鋼管實體生產企業！

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專業生產銷售大口徑厚壁國標螺旋鋼管，廠內加工防腐/保溫/涂塑

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L450螺旋鋼管

L450螺旋鋼管

低壓流體輸水用螺旋鋼管焊縫表面和焊劑的清潔與枯燥也是很必要的。鋼板表面處理。為避免開卷矯平墜落的氧化鐵皮等雜物進入成型工序，應設置板面打掃設備。熱裂紋。在埋弧焊接中，...

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