(来学网)110kV变电所与VHF(I)频段电视差转台、转播台间的防护间距不应小于()
  • A.
    (来学网)1000m
  • B.
    (来学网)1300m
  • C.
    (来学网)1800m
  • D.
    (来学网)2000m