返虚咒击弹 Nihil Spellbomb

多弹头返航运载工具 multiple reentry vehicle

阀球返回弹簧 ball return spring

锁塞返回弹簧 lock plug return spring

弹返铲柄式中耕机 [农机] trip-shank cultivator

大型先进弹道重返载具 large advanced ballistic reentry vehicle