To save weight they thought of using a landing gear that could be jettisoned immediately after takeoff (with the additional help of rocket boosters) and landing on some kind of skid.
英
美
- 为了节省重量,他们认为用起落架可转淡后,立即起飞(这笔额外的帮助下火箭助推器) ,并降落在一些种刹车。