longitudinal weld

基本解释

The results show:The tensile residual stresses in the longitudinal weld are higher than that in the horizontal.
结果表明：平行于焊缝的残余应力大于垂直焊缝的残余应力；
The excess material formed on the internal surface of a coiled tubing string by the longitudinal weld during manufacture.
挠性管柱在制造时由于纵向焊接在其内表面所形成的多余物质。
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The welding of high pressure boiler longitudinal weld shall be electric slag welding which may be replaced by improved auto-submerged arc welding when have no electric slag welding.
高压锅炉锅筒纵缝焊接时，采用的焊接设备为电渣焊。在不具备电渣焊的情况下用改进的埋弧自动焊成功的替代了电渣焊。