These so-called surface deliveries have been the crucial method by which booksellers have sold books to foreign markets because the cost is about one-third that of air mail.
这些所谓的水面运送方式，一直是书商们将书卖往海外市场的主要方法，因为它的花费只有航空邮件的三分之一。
For me, the hot air mail packages, as regards binding on sincerity, 37 degrees for the postmark thermostatic express, the recipient is you sincerely wish you: happy New Year!
我托空气为邮差，把热腾腾的问候装订成包裹，印上真心为邮戳，37度恒温快递，收件人是你，真心祝你：新年快乐！
Send registered air mail internationally, 20 HK dollar.
国际航空挂号邮件，20港元。
You want to send a package by air mail. As it is only a book you send it as printed matter.
你要航空邮寄一个包裹。因为仅仅是一本书，所以你决定按印刷品邮寄。
Air freight and air mail must pass through safety inspection and other safety measures set by the State.
航空货物、航空邮件应当经过安全检查或者对其采取国家规定的其他安全措施。
Construction work on the new Air Mail Centre building at Chek Lap Kok was completed in August and the installation of a comprehensive Postal Mechanisation System was completed in December.
赤角新空邮中心大楼的建造工程于八月竣工，而综合邮政机械化系统的安装工程则于十二月完成。
Overseas customers ordering three or more books can also request reduced air-mail charges here.
外国顾客订购三本书以上可以在这儿要求减少航空邮政费用。
Wind tunnel test of Guangzhou air-mail processing center was carried out to investigate the internal wind effect for long-span roof structure with openings.
结合广州航空邮件处理中心风洞试验，研究了开孔大跨屋盖结构的内部风效应。
Wind tunnel test of Guangzhou air-mail processing center was carried out to investigate the internal wind effect for long-span roof structure with openings.
结合广州航空邮件处理中心风洞试验，研究了开孔大跨屋盖结构的内部风效应。
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