L2集中现象
L2-concentration phenomena
第2层隧道协议接入集中体系
layer 2 tunneling protocol access aggregation
端对端协议终结集中体系
point point protocol terminated aggregation
多媒体集中控制
multimedia centralized control
集中集尘系统
centralized dust collecting system
集中集热-分户贮热
central heating-household based storage
集中体积模型
crack-concentration volume model
能量集中现象
phenomenon of energy concentration
集中性质
Dual-principles mechanism
6502SYS电气集中设计软件
6502SYS electric interlocking design software