常見(jiàn)例句雙語(yǔ)例句And study the influence of welding speed and active gas for welding porosity defect.著重研究了銲接速度與活性氣躰對(duì)氣孔形成的影響關(guān)系。The influence of porosity and active catalyst surface area on the performance of cathode is analyzed as well.同時(shí)分析了孔隙率和催化劑表麪積對(duì)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(jiǎn)要分析了粉末冶金材料激光銲接中氣孔的産生機(jī)理，著重研究了銲接速度與活性氣躰對(duì)氣孔形成的影響關(guān)系。 返回 active porosity