Gel propellant is a new kind of propellant for rocket propulsion and other gas generator.

胶体推进剂是火箭推进和其它燃气发生器的新型待选推进剂。

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Gel propellant is a new kind of propellant for rocket propulsion and other gas generator.

胶体推进剂是火箭推进和其它燃气发生器的新型待选推进剂。

youdao