短語詞組短語Chinese civil aviation airports 中國民用航空機場civil aviation reshuffle 民航重組civil aviation charge 民航票價chinese civil aviation 我國民航civil aviation reforms 民航改革Ulanhot civil aviation airport 烏蘭浩特民航機場civil aviation features 民航特色civil aviation price 民航客運票價civil aviation enterprise 民航企業(yè) 返回 civil aviation