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1·It can be used as welding criterion of X80 pipeline steel submerged-arc welding.

它可作为X80管线钢埋弧焊的推荐焊接规范。

2·Shielded Metal Arc Welding, Submerged-arc Welding and CO2 Arc Welding are recommended for base layer welding.

基层的焊接，推荐采用手工电弧焊、埋弧焊以及二氧化碳气体保护焊。

3·The result shows that this newfashioned high-power machine of submerged-arc welding inverter has wide prospect of application.

结果表明：这种新型的大功率埋弧逆变自动焊机有着广阔的应用前景。

4·The microstructure and properties of welded joint of EH40 grade ship steel plate by submerged-arc welding process were analyzed.

对EH40船板钢埋弧焊焊接接头的组织性能进行了试验分析。

5·The contrast tests of vibratory submerged-arc welding and normal SAW(submerged arc welding) on the valve steel A105 was carried out.

采用阀门用钢A105作为试验材料，采用机械振动焊接与常规埋弧自动焊接相结合的方法进行对比试验。

6·This paper studies the tensile properties of stripe and round bar specimens for high grade(API X65~X70) spiral submerged-arc welding(SSAW) steel pipes.

通过试验研究了X65、X70级螺旋埋弧焊钢管不同拉伸试样——板状试样和圆棒试样的拉伸性能。

7·The invention refers to a method and apparatus for building up lines or layers of metal by fusion arc welding and particularly by submerged-arc welding.

是指该发明的方法和装置，建立线路或金属层融合弧焊特别是埋弧焊焊接。

8·To introduce the process of wire drawing process, chemical Cu-plating process and formulation of top grade submerged-arc welding wire for pipe line steel.

介绍管线钢用高等级埋弧焊丝拉丝工艺、化学镀铜工艺及配方。

9·Introduces the feature of the narrow gap welding, and analyses how to determine the form of groove, screen out submerged-arc welding flux and choose welding condition in detail.

介绍了窄间隙焊的特点，对坡口形式的确定、埋弧焊剂的筛选、焊接工艺参数的选择进行了详细分析。

10·The effects of arc voltage, welding current and heat input on the weld appearance in submerged-arc welding(SAW) of A105 steel with small diameter welding wire were experimentally researched.

主要研究A105钢小直径焊丝埋弧焊时，电弧电压、焊接电流和焊接热输入对焊缝成形的影响。