multiple-pass weld [机] 多道焊缝 ; 多路焊接
single-pass weld [机] 单道焊
one-pass weld 单层焊缝
weld pass 焊接通道 ; 焊接道次
multi-pass weld 多层多道焊
single pass weld 单道焊
weld pass volume 焊道体积
Regarding to submerged arc weld multi-pass weld track and height of weld gun, two-dimension track system is designed.
针对埋弧焊多道焊的焊缝跟踪以及焊枪高度跟踪问题，设计了一种二维跟踪系统。
The change of material property depending on temperature was considered in computation. The element birth technique was adopted to simulate multi-pass weld.
计算中考虑材料物理性能随温度的变化，并运用单元激活技术模拟多道焊焊接过程。
The effects of tempering weld-pass treatment on toughness of HAZ of X80 pipeline steel were studied by the technique of welding thermal simulation and the method of microscope analysis.
采用焊接热模拟技术和显微分析方法，研究了回火焊道热处理对X80级管线钢焊接热影响区韧性的影响规律。
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