封: close; seal焊: weld; solder设备: equipment; device; facility; ...点焊设备: spot-welding equipment电焊设备: electric welding equipment缝焊设备: seam-welding equipment弧焊设备: arc welding equipment; arc-welding plant气焊设备: gas welding apparatus; gas welding device; gas welding equipment; gas welding outfit; gas-welding equipment; oxyacetylene welding equipment铜焊设备: brazing equipment乙炔焊设备: acetylene apparatus; acetylene welding outfit乙炔气焊设备: acetylene welding outfit电焊设备通用符号: graphical symbols for use on equipment-common symbols for electric welding equipment构成和软焊设备: forming and soldering equipment封焊: seal welding; sealing weld; soldering and sealing电焊设备节能监测方法: monitoring and testing method for energy saving of electrical welding installation设备用图形符号 电焊设备通用符号: graphical symbols for use on equipment--common symbols for electric welding equipment电阻焊设备的额定值与运行条件: rating of resistance welding equipment回动弹簧(电焊设备的调整器中): marginal spring封焊机: sealing machine密封焊: caulk welding; seal weld; sealing weld热封焊: thermal heat sealing棒式封焊机: bar sealer玻璃铜封焊: glass-copper seal封焊技术: sealing technique封焊烙铁: seaming iron