关于smokeless的百科

• smokeless powder造句怎么写

• Acellulosenitrateusedasacomponentofsmokelesspowder.nitrocellulosecontainingarelativelylargeamountofnitrogen;highlyexplosive;usedinmakingsmokelesspowder.Itbecameobsoleteinthe1880swhentheinventionofsmokelesspowderledtodevelopmentofatrulyautomaticmachin...
• 2020-04-2918306