短語詞組短語loud -speaker or speaker 揚聲器band loud -speaker 薄帶揚聲器;薄帶揚聲器英語;翻譯piezoelectric loud -speaker 壓電式揚聲器magnetic loud -speaker 簧舌式揚聲器electrostaboutic loud -speaker 靜電揚聲器hot wire loud -speaker 熱線式揚聲器 返回 loud-speaker