Owing to slow recessing and long travel distance of the UHF radio waves, this system can transmit the images in tunnel and implement active talk.是什么意思_Owing to slow recessing and long travel distance of the UHF radio waves, this system can transmit the images in tunnel and implement active talk.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句