直接: direct; immediate三通: triplet; tee; tee joint; wye ...与: take part in; participate in双向: two-way交流: exchange; interflow; interch ...双向交流: bilateral exchange; two way communication; two-way exchange双向交流渠道: two-way communication channel双向交流信息: two-way flow of message侧接三通: side tee活接三通: malleable cast iron pipe fittings--type size--union tees; union tee连接三通旋塞: union three way cock双向交换: two-way alternate; two-way exchange双向交谈: two way conversation; way conversation双向交替的: two way alternate双向交通: two way traffic turn; two-way traffic双向交易: round trip反向与双向的: backward and bidirectional单向交流: one way communication反向交流: opposed crossing横向交流: lateral communication; lateral exchange纵向交流: vertical communication直接三级火警: straight third双向交错层理: bimodal crossbedding双向交互作用: two-way interaction双向交换控制: both way switching control
