分析总结出有关工艺参数与焊缝金属填充量间关系的经验公式，并通过计算得到了其中熔敷效率的试验值。
The experimental value of the deposition efficiency was gotten from the calculation, which is useful to optimize welding process.
采用不同配比的保护气体，在水冷铜模中堆焊焊缝金属，获得不同扩散氢含量的熔敷焊缝试棒。
Deposit metal samples are prepared by GMAW shielded with different gases in copper mould with water cooling.
本文针对焊缝熔敷金属在高强时，容易开裂问题展开研究，研制了中、高碳合金钢工件表面修复的高强、高韧新型堆焊焊条。
The high strength and high toughness hardfacing covered electrode to the medium-high carbon alloy steel surface' repair was put forward in this paper.
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