symmetrical tra ducersymmetrical transducersymmetricaltransducer对称: symmetry; symmetrical换能器: changer; transducer; transve ...不对称换能器: dissymetrical transducer; dissymmetric transducer; unsymmetrical transducer换能器: changer; transducer; transverter热换能器 热效换能器: thermaltransducer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:对称换能器，即可在微信中查询翻译
