snowflake transistor雪片: snow block; snowflake形: form; shape晶体管: transistor; crystal valve钩形晶体管: p-n hook tra istor; p-n hook transistor pn环形晶体管: annular 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:雪片形晶体管,即可在微信中查询翻译