| 词条 | United Air Carriers |
| 释义 | >Overseas National AirwaysHistory - Second ONA 5 : Airlines established in 1977|1977 establishments in New York (state)|Airlines disestablished in 1986|1986 disestablishments in New York (state)|Defunct airlines of the United States |
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开放百科全书收录14589846条英语、德语、日语等多语种百科知识，基本涵盖了大多数领域的百科知识，是一部内容自由、开放的电子版国际百科全书。