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welded tube and pipe process
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welded tube and pipe process
Encyclopedia
工学
焊接钢管生产
释
welded tube and pipe process
焊接钢管生产
将管坯(钢板或钢带)用各种成形方法弯卷成要求的横断面形状,然后用不同的焊接方法将接缝焊合成钢管的过程。焊接钢管简称焊管,生产工艺中成形和焊接是基本工序。
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oxy-Claisen rearrangement
oxydizing flame
oxyfluorfen
oxygen
oxygen 15
oxygen-15
oxygen-18 isotope hydrogeology
oxygen-18 isotope shift
oxygen activation logging
oxygenase
oxygenate
oxygenated fuel
oxygenated fuels
oxygenated pollutant
oxygenated treatment
oxygenation
oxygenation keeping alive
oxygenator
oxygen barometer of mineral assemblage
oxygen bomb calorimeter
oxygen bottom-blowing furnace
oxygen bottom-blown converter steelmaking
oxygen buffer
oxygen capacity
oxygen carrier
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