On the premise of en-suring military security,the armed forces have opened 5 military airports,more than 200 military rail lines,30 oil pipelines,70 com-munication lines and more than 100 rear area warehouses for civilian use.
英
美
- 在確保軍事安全的前提下,軍隊先后向地方開(kāi)放了5個(gè)軍用機場(chǎng)、200多條鐵路專(zhuān)用線(xiàn)、30條輸油管線(xiàn)、70條通信線(xiàn)路和100多所后方倉庫。