单词	audion
释义	Audion Audion The trademark of radio vacuum tubes manufactured by the De Forest Radio Company. Audion was also often used even when referring to early radio vacuum tubes from other manufacturers.
随便看	l.r.c.p.(e) lrcpe l.r.c.p.(i) lrcpi lrcp&s lrcps lrcr lrcrcs l.r.c.s. lrcs lrcsb lrcsc lrcsd l.r.c.s.(e) lrcse l.r.c.s.(i) lrcsi lrcsow lrct lrcu lrcv lrcvaw lrcvb lrcw lrcwa

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