以下为句子列表:
英文: Abstract: Backing weld procedure technique of all-position narrow gap and thick-walled pipe welding is developed about all-position single-pass welding section analysis,wire feeding behavior , weld arc length , welding current analysis,procedure and joint
中文: 文摘:从单焊道全位置区段、送丝行为、焊接弧长(电压)、电流行为分析、工艺试验和接头检验等几方面介绍管道全位置打底焊工艺特点,其研究成果对全位置焊接机的制造和调试具有普遍指导意义。
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