helium group gas
基本解释
- [化学]氦族气体
英汉例句
- In a rocket as defined in claim 1, wherein said gas comprises a gas selected from the group consisting of nitrogen, helium and air.
在火箭所界定的索赔1 ,其中表示,天然气气体组成选自组成的氮,氦和空气。
www.tech-domain.com - Noble gas( or inert gas ):Any of the six chemical elements that make up the rightmost group of the periodic table as usually arranged: helium, neon, argon, krypton, xenon, and radon.
稀有气体(亦称惰性气体):通常排列在周期律中最右边一族的六种化学元素:氦、氖、氩、氪、氙和氡。
双语例句
专业释义
- 氦族气体