矩形-圆形波导转换器 rectangular waveguide: 矩形波导管; 距形波导circular waveguide: 圆波导; 圆截面波导; 圆形波导管; 圆形波异管rectangular flexible waveguide: 矩形软波导coaxial to waveguide transducer: 同轴线 波导管匹配变换器coaxial waveguide transducer: 同轴线波导转换器下载手机词典可随时随地查词查翻译