echocardiographic transducer回声: echo; bounce back; reverbera ...图: picture; chart; drawing; map换能器: changer; transducer; transve ...m型心动回声图: m-mode echocardiogram多晶体心动回声图: multiple crystal echocardiogram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:心动回声图换能器，即可在微信中查询翻译
