Non-destructive testing of steel tubes - Automatic electromagnetic testing of seamless and welded (except submerged arc welded) ferromagnetic steel tubes for verification of hydraulic leak-tightness

 
  • 钢管的无损检测-铁磁性无缝与焊接(埋弧焊除外)钢管验证水压试验的自动电磁检测
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