impedance transformer阻抗: impedance变量: variable; variable quantity; ...器: implement; utensil; ware阻抗变量滤波器: impedance transforming filter阻抗匹配变量器: impedance matching transformator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:阻抗变量器，即可在微信中查询翻译
