《航空票务协议》
https://hetong-1254226132.cos.ap-nanjing.myqcloud.com/hetong-zhuanti20250106/%E8%A1%8C%E4%B8%9A%E4%B8%BB%E9%A2%98/%E7%A5%A8%E5%8A%A1%E5%85%AC%E5%8F%B8%E5%8D%8F%E8%AE%AE/%E3%80%8A%E8%88%AA%E7%A9%BA%E7%A5%A8%E5%8A%A1%E5%8D%8F%E8%AE%AE%E3%80%8B.docx
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