此协议-中文对收发邮件程序的编写有着重要的指导作用见网上此协议下载困难在这里发布给大家-this agreement-- Chinese e-mail procedures for the preparation plays an important role in guiding see this as an online download difficulties Published here for everyone--中文对收发邮件程序的编写有着重要的指导作用见网上此协议下载困难在这里发