beam tetroderadial tetrode射束: beam四极管: tetrode; quadrode; four-elec ...四极管: [无线电] tetrode; quadrode; four-electrode tube; four-element tube◇四极管放大器 tetrode amplifier场效四极管: field-effect tetrode二极四极管: diode-tetrode下载手机词典可随时随地查词查翻译
