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西德MBB公司的辅助推进系统是由一个液体远地点发动机和12个姿控发动机组成的统一辅助推进系统(见附图).所谓“统一”其含意是:
MBB’s auxiliary propulsion system in West Germany is a unified auxiliary propulsion system consisting of a liquid apogee engine and 12 attitude control engines (see the accompanying figure), which means “unification” means: