gas composition
短语词组
- gas generating composition 气体发生剂
- gas phase composition 气相成分
- natural gas isotopic composition 甲烷碳同位素组成
- noble gas isotope composition 稀有气体同位素组成
- Noble gas isotopic composition 惰性气体同位素组成
- characteristics of gas source composition 气源构成特点
- residual gas composition 剩余气体成分
- Resistance to gas composition 耐气体组分
- Combustion gas composition 燃气组份 返回 gas composition