信汇,邮汇
mail transfer
1. 邮汇:mail order 通信订购 | mail transfer 邮汇 | mail 邮件;邮寄
2. 邮汇信汇:mail transfer 邮汇 | mail transfer 邮汇信汇 | mail vessel 邮船
3. 邮件传送:用户数据报协议,User Datagram Protocol | 邮件传送,mail transfer 215 | 邮件分发器,mail exploder 216