中波天线大部分采用铁塔天线，非特殊地形或特别要求的服务区外，均采用不定向天线。

While mid-wave antenna is mostly iron tower antenna, we do not use directional antenna except that we need special service in special area.

youdao

中波天线大部分采用铁塔天线，非特殊地形或特别要求的服务区外，均采用不定向天线。

While mid-wave antenna is mostly iron tower antenna, we do not use directional antenna except that we need special service in special area.

youdao