2013-08-13[i want you]Iwantthebest的教学设计T:Good morning,boys and girls Ss:Good morning,Miss Liang T:Whats the weather ...Ss:Its教学设计2021-07-29SeeSee, I told you he'd come in handy. ...2021-07...
2013-08-13[i want you]Iwantthebest的教学设计T:Good morning,boys and girls Ss:Good morning,Miss Liang T:Whats the weather ...Ss:Its教学设计2021-07-29SeeSee, I told you he'd come in handy. ...2021-07...
中兴传输以太网板数据配置SE－业务流程 SE板主要完成的功能是将以太网帧经过L2层的交换后通过SDH网络传输到目的节点，再经过一个相反的过程解释出以太网帧，从而完成以太网帧在SDH网上的透明传输，并且可以进行二层...