Write more details about the Shenzhou VII rocket! ! !

A rocket launcher is a space vehicle that pushes an artificial spacecraft into space. It consists of an arrow, a power device system and a control system. This is an important part of the development of space technology.

According to the propellant used, launch vehicles include solid rockets, liquid rockets and solid-liquid mixed rockets. According to the series, launch vehicles include single-stage rockets and multi-stage rockets; Multistage rockets can be divided into three types: series, parallel and series. Generally, it belongs to a disposable carrier system. After completing the mission, the launch vehicle was abandoned.