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用于提高质子号运载火箭推力的可再 ▲质子号运载火箭第２级的４台发动机。次点火的第４级发动机（名为ＢＲＥＥＺＥ）。▲停在铁路路轨上的俄罗斯质子号运载火箭全貌俄罗斯赫鲁尼切夫机械制造厂生产质子号运载火箭现场。车间中放置着生产过程中所需的质子号运载火箭的各
Proton carrier rocket to improve the thrust of the ▲ Proton carrier rocket level 2 4 engines. Ignition of the 4th stage engine (named BREEZE). ▲ stopped on the railway tracks on the Russian Proton carrier rocket full picture Russia’s Khrunicchev machinery factory proton carrier rocket production site. The shop houses the proton carrier rocket needed in the production process