填空题

In April 1995, makes the______.

【参考答案】

unpiloted single—stage—to—orbit launcher
<上一题 目录 下一题>
热门 试题

填空题
The X - 34 has a reusable lower stage and an expendable upper, the goal of designs is______.
填空题
The large new space project planned at present is the______.
相关试题