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твёрдо-жидкое ракетное топливоstresses
astronaut. hybrid cruciform; hybrid propellant; hybrid-propellant cruciform; liquid-solid propellant cruciform; liquid-solid propellant; solid-liquid propellant; lithergol
твёрдо-жидкое ракетное топливо: 15 phrases in 2 subjects
Astronautics14
Military1