annular transistor环形: annular; ringlike; ring form ...晶体管: transistor; crystal valve钩形晶体管: p-n hook tra istor; p-n hook transistor pn楔形晶体管: wedge type transistorpn叉形晶体管: pn hook transistor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:环形晶体管,即可在微信中查询翻译