... 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
纵向缝焊 longitudinal seam welding ; longitudinal welding
纵向电阻缝焊 [机] longitudinal resistance seam welding
纵横两用缝焊机 universal seam welder
纵向电阻缝焊机 longitudinal resistance seam welder
纵向焊缝余高 longitudinal weld reinforcement
系列纵缝焊接机 LSW
锅筒纵缝焊接 longitudiual seam welding on drum
提出压力容器简体纵焊缝产生角变形的模型。
Presents model for angular deformation of longitudinal weld.
针对一台电站锅炉锅筒纵焊缝未融合引起的裂纹进行分析，并提出缺陷修复的办法。
Analyses the cause for the crack resulting from the non-fusion in the longitudinal weld seam of a power plant boiler cylinder, and suggests corrective actions to eliminate the defect.
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.
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