expendable rocket造句
例句與造句
- So far this reality has limited spaceflight to multistage expendable rockets or the space shuttle , which is assisted by strap - on fuel tanks and solid - fuel boosters that are jettisoned during ascent
目前為止，這個(gè)事實(shí)使太空飛行限于多階段擴(kuò)張式火箭或是太空梭；后者在上升過(guò)程中拋出附加的燃料箱和固體燃料助力器。 - It's difficult to find expendable rocket in a sentence. 用expendable rocket造句挺難的