From the view of our practice, the problem of network plan and build, integrated OAM of services based on NGN/Softswitch is study in this paper.是什么意思_From the view of our practice, the problem of network plan and build, integrated OAM of services based on NGN/Softswitch is study in this paper.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句