单向离合器

one-way

one-way

one-way stack automat【计】

one-way ticket【交】;single ticket【交】

one-way trunk【通信】;one-way trunk line【通信】;single action trunk【通信】

one-way valve

trap-door one-way function【计】

one-way circuit【电子】;unidirectional circuit【电子】;unilateral circuit【电子】