| |||
solid propellantpowder | |||
grain | |||
solid-propellant | |||
solid propellant | |||
solid rocket fuel; solid rocket propellant |
固体 推进剂 : 57 phrases in 9 subjects |
Aviation | 5 |
Construction | 1 |
Electronics | 1 |
Explosives and Explosive Ordnance Disposal | 1 |
General | 3 |
Polymers | 1 |
Space | 43 |
Technology | 1 |
Transport | 1 |