national trunk traffic的意思|示意
美 / /
英 / /
全国干线交通
national trunk traffic的网络常见释义
国内长途业务 ... 长途业务类别 trunk class 国内长途业务 dld; national trunk traffic 自动长途业务 automatic trunk service ...
national trunk traffic相关例句
The highway is open to traffic the mileage and wills have the significant increment, the grade has the exaltation, will set up at a high speed the highway is the main National Freeway trunk line net .
公路通车里程将有大幅度的增加，等级有所提高，将建成以高速公路为主的国道干线网。