Bidai比代
bidv.(买方)出价;投标;吩咐;叫牌n.出价;努力;叫牌
bidding combination投标组合
bidirectional study双向研究
bidding procurement招标采购
bidding transaction竞价交易
bid competitiveness投标竞争力
bidrectional clutch双向离合器
bidirectional cable双向光缆
bidirectional diode双向二极管
bidirection printer双向打印机
bidirectional pulse双向脉冲