Much of the shuttle is protected by a Rotating Service Structure, a shell-like covering that guards against weather, he added.
航天飞机的大部分受到一个旋转服务结构的保护，它类似于一个阻挡不良气候的覆盖物，他补充说。
2
The invention provides a device for rotating a multi-shuttle box, which is characterized in that a base is provided with a first bracket, a second bracket and a third bracket;