sound power telphone setsound powered telephone set声: sound; voice电话机: telephone set; telephone; ph ...声力电话: sound power telephone; sound powered telephone; sound-powered telephone安全声力电话: intrinsic safety sound power telephone声力电话系统: sound-powered telephone system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:声力电话机，即可在微信中查询翻译
