| |||
impelling action | |||
impulse action | |||
propellant effect | |||
progradation; prograding | |||
propellant action; pushing action |
推进作用 : 12 phrases in 6 subjects |
Aviation | 2 |
Explosives and Explosive Ordnance Disposal | 1 |
General | 1 |
Oil / petroleum | 2 |
Space | 3 |
Technology | 3 |