vsn virtual switching network虚拟: invented; fictitious转接: change-over; throw-over; swi ...网络: network; electric network me ...转接网络: transit network信息转接网络: message switching network; message-switching network; switched message network下载手机词典可随时随地查词查翻译关注微信公众号：chachacidian，回复:虚拟转接网络，即可在微信中查询翻译
