人造地球卫星Kunstlicher Erdsatellit;artificial earth satelite;earth satellite vehicle;earth-circling vehicle;sputnik详细»
人造地球卫星artificial earth satellite详细»
人造地球卫星artificial earth satellite;earth satellite vehicle;sputnik详细»
人造地球卫星man-made earth satellite;sputnik详细»
人造地球卫星artificial earth satellite详细»
人造地球卫星earth satellite详细»