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航天推进系统
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航天推进系统
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质量排出装置
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space propulsion system
航天推进系统
完全依靠自身携带的物质或大气层外空间可利用的物质作为工质,利用反作用原理将工质以一定速度释放出去,使自身获得反作用推力,为航天器提供推力或力矩的动力系统。
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silk paintings from tombs of Chu State
Silk Paintings of Chu State
silk paintings unearthed at Chu tomb of Changsha City
Silk Paintings Unearthed from Mawangdui Han Tombs
Silk-Piled Thangka of Goddess Usnisavijaya
silk pillow
silk quilt
silk/rayon union stain
silk reeling frame
silk reeling process design
silk-reeling wheel
Silk Road
Silk Roads: the Routes Network of Chang'an-Tianshan Corridor
Silk Roads:the Routes Network of Chang'an-Tianshan Corridor World Culture Heritage
Silk Roads:the Routes Network of Chang'an-Tianshan Corridor
silk Royal Brocade with Bird and Flower Patterns for mounting a painting or calligraphy
silk rug
silk screen platemaking
silks excavated in Palmyra
silks excavated in Turfan
silks found in the Dunhuang Mogao Caves
silk sofa fabric
silk strings and bamboo ensemble music of Hunan Sizhu
silk strings and bamboo ensemble music of Jiang Nan Sizhu
silk strings music of Laohekou in Hubei province
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