loudspeaker voice coil [電子、通信與自動控制技術(shù)]揚聲器音圈揚聲器聲圈loudspeaker van [經(jīng)濟學]廣告宣傳車loudspeaker telephone device [電子、通信與自動控制技術(shù)]帶有揚聲頗電話機loudspeaker telephone [經(jīng)濟學]揚聲電話機[電子、通信與自動控制技術(shù)]帶有揚聲頗電話機loudspeaker system loudspeaker cabinet [電子、通信與自動控制技術(shù)]揚聲器箱loudspeaker n. 喇叭，揚聲器；擴音器loudnesslevel n.響度級loudness-level n.響度級loudness-contour selector [電子、通信與自動控制技術(shù)]等響線選擇器loudness war loudness unit 響度單位loudness recruitment [醫(yī)藥科學]響度重振loudness level indicator [化學]響度級指示計loudness level 響度位準；[聲] 響度級loudness function [經(jīng)濟學]響度函數(shù)loudness discomfort level [醫(yī)藥科學]ldl 響度不適級不適響度級[教育學]響度不適水準loudness contour [聲] 等響線，等響曲線loudness (n.) loudness n.響亮；音量；大聲