| 1. | Shielding gases for arc welding and plasma arc cutting
电弧焊和等离子电弧切割用保护气体 |
| 2. | Specifications for welding shielding gases
焊接保护气体规范 |
| 3. | Welding consumables . shielding gases for arc welding and cutting
焊接消耗材料.弧焊和切割用保护气体 |
| 4. | A shielding gas is employed and the transfer mode is not " short - arc "
采用保护性气体和非短弧的过渡方式。 |
| 5. | Welding consumables - shielding gases for arc welding and cutting
焊接消耗用品.气体保护电弧焊和切割用气体 |
| 6. | Recommended practices for shielding gases for welding and plasma arc cutting
焊接和等离子体电弧切割用保护气的推荐规程 |
| 7. | Welding consumables - shielding gases for arc welding and cutting ; german version en 439 : 1994
焊接填料.电弧焊和切割用保护气体;德文版本en 439 |
| 8. | Argon serves as a shielding gas to protect metals from oxidation during welding . inert gas welding is the preferred method of joining several ferrous and nonferrous alloys
焊接中，氩作为保护气防止金属氧化。惰性气体焊接是连接几种含铁和不含铁的合金的首选方法。 |
| 9. | During large power laser beam welding , the surface of the work - piece is melted and gasified , which is ionized and form plasma with the shielding gas on the condition of high temperature over the welded zone
在激光焊接过程中，当被焊材料受到高能激光束作用时，其表面会迅速熔化、气化，与外加的保护气体一起在被焊区域的上方电离形成等离子体云。 |
| 10. | The effects of the tested condition , e . g . environment humidity , drying temperature , dew point of shielding gas , etc , on diffusible hydrogen content of the domestic electrodes for welding mild and low alloy steels is analyzed and compared with that of the foreign electrodes
摘要采用水银法研究了环境湿度、烘干温度、保护气体露点等测试条件对焊缝扩散氢含量的影响，分析了我国碳钢及低合金钢焊条中的扩散氢含量，并且与国外焊条的扩散氢含量进行了对比。 |
