... 纵横比;展弦比;形状系数;长宽比;形数比：aspect ratio 纵焊;纵焊缝;总纵向焊缝：longitudinal weld 纵差继电器，感应差动继电器：translay relay ...
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纵焊波纹管 longitudinal weld corrugated tube
纵焊的 longitudinally welded
纵焊缝 longitudinal weld ; vertical welding line
纵缝焊接 welding of longitudinal seam ; longitudinal seam welding ; longitudinal welding ; seam welding
纵缝焊机 longitudinal seam welder ; longitudinal seam welding machine
纵向焊接 longitudinal welding ; longitudinally welded
纵向角焊 [机] longitudinal fillet weld
纵向缝焊 longitudinal seam welding ; longitudinal welding
纵向电阻缝焊 [机] longitudinal resistance seam welding
采用纵剪带钢生产小口径螺旋焊管时，超声波检验经常在焊缝的一侧发现缺陷波，而X射线拍片检验却很难发现。
The defects will be found in the seam side with ultrasonic inspection but hardly found with X ray inspection as the small diameter spiral pipe production with the split strip steel.
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。
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.
数控主机用于保证箱底纵、环焊缝焊速恒定并使焊接点始终处于平焊位置。
NC machine is used to ensure that longitudinal and circular weldings are produced at a constant speed and the welding point is always in flat position.
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