活泼金属
[词典] active metal;
[例句]在活泼金属,如钛和的锆生产中,氦可以提供保护性气氛。
Helium can provide a protective atmosphere in the production of reactive metals, such as titanium and zirconium.
活泼金属
[词典] active metal;
[例句]在活泼金属,如钛和的锆生产中,氦可以提供保护性气氛。
Helium can provide a protective atmosphere in the production of reactive metals, such as titanium and zirconium.