a-mode transducer型: mould; model换能器: changer; transducer; transve ...b型换能器: b-mode transducer微型换能器: miniaturized transducer槽式b型换能器: notched b-mode transducer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:a型换能器，即可在微信中查询翻译
