求翻译：国航目前是中国唯一悬挂中华人民共和国国旗和承担中国国家领导人出国访问的专机任务，并承担外国元首和政府首脑在国内的专、包机任务的国家航空公司。是中国最大的国有航空运输企业，也是中国民航安全水平高、综合规模最大、拥有最新最好机队的航空公司。是什么意思？

Air China is China's only national airline flying the Chinese flag and commitment to the task of Chinese national leaders to visit the plane, and bear the foreign heads of state and heads of government in the country specifically, charter task. China's largest state-owned air transport enterprises,

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The country navigation at present is China is only hanging the People's Republic of China national flag and undertakes the Chinese country leader to go abroad the visit special plane duty, and undertakes the foreign state head and the head of government in domestic specially, chartered airplane duty

Air is currently the only flying People's Republic of China flag and bear the special task of Chinese leaders visit, and foreign heads of State and Government in the country's national airline, Charter task. Is China's largest state-owned air transport company, is also China's high level of civil av

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