double chime bell双音: double tone双音: double tone◇双音多频 dual-tone multifrequency; 双音信号发生器 double-tone signal oscillator; 双音振荡器 double tone oscillator高音铃鼓: excelsior tambourine原音铃声: truetone; wb-amr双音调: tone dual; tone, dual下载手机词典可随时随地查词查翻译关注微信公众号：chachacidian，回复:双音铃，即可在微信中查询翻译
