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