The deflecting nozzle thrust vector control is usually used in a large solid booster.
对大型运载火箭的固体助推器，通常采用摆动喷管推力向量控制。
2
The world's first closed-loop engine, with thrust of about 7 tons and using liquid oxygen and carbon-hydrogen propellant, was installed in booster L.
世界上第一台可提供7吨推力的闭合回路液氧碳氢推进剂发动机被安装到L助推器上。
3
Compared with traditional design optimization method, MDO method can gain the optimum design for flight vehicle as well as the optimum thrust-time curves of booster.