Orbital Insertion System

• 入轨系统；美国运载火箭上面级

Orbital Insertion System的用法和样例：

例句

1. This paper presents a real-time model of a common rail system based on the system hybrid characteristics, by using the blocking design method.
   针对这一特点，采用模块化设计方法建立了共轨系统实时仿真模型。