launch vehicle assembly造句

例句与造句

1. On March 2, 2009, a full size, full weight command module mockup ( pathfinder ) began its journey from the Langley Research Center to the White Sands Missile Range, New Mexico, for at-gantry launch vehicle assembly training and for LAS testing.
2. It's difficult to find launch vehicle assembly in a sentence. 用launch vehicle assembly造句挺难的