| 释义 |
Transportation Price
基本例句
运输价格
Space transportation is expensive and risky at present because all launchers so far have used large throwaway components that are based on ballistic missile technology.迄今，由于所有运载火箭都采用以弹道导弹技术为基础的大型一次性元件，所以，目前航天运输价格昂贵且风险大。 |