Since such a lowly satellite would suffer from atmospheric drag, it would need its own propulsion system and a decent supply of fuel.

 
  • 如此低空飛行的衛星會(huì )受到大氣層的拖贅,本身需要推進(jìn)系統和足夠的燃料。
今日熱詞
目錄 附錄 查詞歷史
国内精品美女A∨在线播放xuan