surface e mail陆地邮寄;非航空的平寄邮件
surface airlifted mail空运水陆路邮件
outgoing surface letter mail出口平邮信件
Surface Mail Service水陆邮件业务
Airmail Or Surface Mail航空信还平信
international surface mail国际水陆路邮件
surface mail air lifted陆上邮件航空输送
By surface mail普通邮递吗
N-UNCOUNT（不可数名词） Surface mail is the system of sending letters and packages by road, rail, or sea, not by air. 平邮
Goods may be sent by surface mail or airmail.
货物可通过平邮或空运发送。