active porosity

基本解釋

And study the influence of welding speed and active gas for welding porosity defect.
著重研究了焊接速度與活性氣體對氣孔形成的影響關系。
The influence of porosity and active catalyst surface area on the performance of cathode is analyzed as well.
同時分析了孔隙率和催化劑表面積對催化劑層性能的影響。
In this paper we briefly analyze the mechanism of engendering pores in powder metal material(PM), and study the influence of welding speed and active gas for welding porosity defect.
簡要分析了粉末冶金材料激光焊接中氣孔的產生機理，著重研究了焊接速度與活性氣體對氣孔形成的影響關系。

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