B 开头单词
backing maneuvers [体育]倒车操纵
backing groove of weld [机械工程]焊缝反面坡口
backing for abrasives [经济学]砂布底布
backing fabric [纺] 底布
backing device 衬垫装置
backing deal 顶板
backing copy 备用拷贝
backing collision [交通运输工程]倒撞
backing card 衬靶纸
backing brick 背衬砖
backing board 垫板；底板；背纸板
backing away 无法维持正常交易 堵墨
backing and filling 盘整；踌躇
backing a warrant [新闻学与传播学]对凭单背书担保
backing n. 支持；后退；支持者；衬背 v. 支持（back的ing形式）
backimixing [化] 逆向混合; 回混; 反混