全位置自动焊接技术的特点是，焊丝可以连续送进，焊丝熔敷速度快，焊接质量较高，尤其适用于大口径、厚壁管的焊接。
This welding process, with continuous welding wire feeding, fast deposit speed and quality welding pass, is especially suitable for long distance pipeline with large diameter and thick wall.
根据熔化极焊丝填充焊的特性，对钢桥焊接中普遍应用的药芯焊丝CO_2气体保护焊和埋弧自动焊进行了焊接试验。
According to the characteristics of arc welding with filler wire, experiments about the FCAW-CO_2 and SAW which is commonly used in steel bridge welding were carried out.
在斜线、折线和曲线三种不同形状待焊焊缝的跟踪试验中，系统都能满足药芯焊丝水下自动焊接的要求。
In the tracking trials of sidelong, reflex and curve weld line, the system can all meet the demand of the tracking precision.
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