不含铁的 meaning in English
iron free
iron-free
nonferrous
Examples
- 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。