短語詞組短語launch escape vehicle 發(fā)射逃逸艙launch h vehicle 運載火箭launch -vehicle stage 運載火箭級launch control vehicle 發(fā)控車輛polar space launch vehicle 極地空間發(fā)射器Proton Launch Vehicle 俄羅斯質子號運載火箭Falcon Launch Vehicle 運載火箭Ladle launch vehicle 鐵水包運載器trajectory of launch vehicle 運載火箭彈道 返回 launch vehicle