dd double diodedd duodiodedoublediodeduo diodeduplex diodetwin diode双: two; twin; both; dual二极管: diode; two-electrode valve双二极管对: quaddiode双二极管，孪二极管: duolaser光电双二极管: photo duodiode下载手机词典可随时随地查词查翻译
