The technical regulations for frequency sharing between the broadcasting service and the mobile and fixed services in the VHF/UHF bands

　
英 美
  • GB/T15937-1995VHF/uhf頻段廣播業(yè)務(wù)與移動(dòng)和固定業(yè)務(wù)頻率共用技術(shù)規定
今日熱詞
目錄 附錄 查詞歷史
国内精品美女A∨在线播放xuan