... 邮件室：postal compartment 邮件申报单：mail declaration 邮件清单：mail list ...
双语例句
1
Shipping is by registered mail and usually takes 1-2 weeks. Please contact us for express mail if required (note that express mail requires customs declaration).
航运是通过挂号邮件，通常需要1 - 2周。快件，如果需要请联系我们(注意，快件需要报关)。
2
In case of dispute of delivery, a written declaration of non-receipt of mail item (s) must be produced by the addressee.
如对派递结果有异议，需提交收件人未有收到挂号邮包之书面声明以作跟进。
3
Frequently, each author is required to sign a declaration agreeing to the submission to the journal of a paper bearing their name, although some journals now verify this bye-mail.