Packet Switched Data Network
美 英
例句
Code for acceptance of public packet switched data network engineering
公用分組交換數(shù)據(jù)網(wǎng)工程驗(yàn)收規(guī)范
Code for design of public packet switched data network engineering
公用分組交換數(shù)據(jù)網(wǎng)工程設(shè)計(jì)規(guī)范
CHINAPAC Public Packet Switched Data Network of CHINA
中國公用分組交換數(shù)據(jù)網(wǎng)