| 释义 |
smokeless powder ˈsməuklizˈpaudə 短语¹⁴⁴⁹⁷²⁺²
基本英英例句
无烟火药
Noun:
an explosive trade name Ballistite that burns with relatively little smoke; contains pyrocellulose and is used as a propellantThe nitramine ethers perform two functions in thesmokeless powdercomposition.硝胺醚在无烟火药成份中有两种作用。 |