recorded voice announcement unitrecorder voice announcement unit录音: sound recording; film record ...播放: broadcast装置: installation; device; appara ...录音播放: recorded announcement播放装置: vtr video tape reproducer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:录音播放装置，即可在微信中查询翻译
