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火箭
自身携带全部推进剂,靠火箭发动机喷射工质(工作介质)产生的反作用力向前推进的飞行器,可在大气层内和大气层外飞行,是实现航天飞行的运载工具。
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火箭
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火箭
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Silk Tapestry of Zhao Ji's Flower and Bird Paintings
Silk Tapesty of The Painting of Queen Mother of the West's Birthday Celebration at Jade Pool
silk textiles of Tang dynasty preserved in shosoin
silk thread
silk tree
silktree albizia bark
silk Vajrabhairava Mandala
silk voile
silk weaving
silkworm chrysalis
silkworm cocoon
silk-worm droppings
silkworm excrement pillow
silkworm industry
silkworm weaving skills
silky oak
sill
Silla Art
Silla Gold Crown
Silla maidservant
sillimanite
sillometer
sill wall
sillyberry family
silly window syndrome
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