略語大辞典 [Sat] 21 HLLV heavy lift launch vehicle エッチエルエルブイ. 低地球軌道衛星への貨物輸送用宇宙船.heavy lift launch vehicle; a cargo spacecraft from earth to a satellite on an LEO(low earth orbit); ref. COTV(cargo orbital transfer vehicle), POTV(personnel orbital transfer vehicle), PLV(personnel launch vehicle); [S 丸善「略語大辞典」JLogosID : 11877000