短语词组短语B on board date 装航日B -board 转播台;中放板K -B eylap board 键盘b board system 公告牌系统Wab b board 腹肌板b bus interface board b 总线接口卡IAB B Internet activities board 因特网活动委员会POB B Pilot on board 引水员登轮PCB B printed circuit board 印刷线路板 返回 b board