Single welding and double faced forming with co2 gas metal - arc welding process of welded pipe 2氣體保護(hù)焊單面焊雙面成型焊接工藝
Welding and allied processes - recommendations for joint preparation - manual metal - arc welding , gas - shielded metal - arc welding , gas welding , tig welding and beam welding of steels 焊接和相關(guān)工藝.接縫制備的建議.鋼的手動金屬電弧焊氣體保護(hù)金屬電弧焊氣焊tig焊接和束焊
Welding and allied processes - recommendations for joint preparation - part 1 : manual metal - arc welding , gas - shielded metal - arc welding , gas welding , tig welding and beam welding of steels 焊接和相關(guān)工藝.接頭預(yù)處理的推薦方法.第1部分:鋼的手工金屬電弧焊接氣體保護(hù)金屬弧焊氣焊tig焊接和束焊