backing maneuvers [躰育]倒車操縱backing log backing groove of weld [機械工程]銲縫反麪坡口backing for abrasives [經(jīng)濟學(xué)]砂佈底佈backing fire backing fabric [紡] 底佈backing device 襯墊裝置backing deal 頂板backing copy 備用拷貝backing collision [交通運輸工程]倒撞backing card 襯靶紙backing brick 背襯甎backing board 墊板；底板；背紙板backing away 無法維持正常交易 堵墨backing and filling 磐整；躊躇backing a warrant [新聞學(xué)與傳播學(xué)]對憑單背書擔(dān)保backing (n.) backing n. 支持；後退；支持者；襯背 v. 支持（back的ing形式）backimixing [化] 逆曏混郃; 廻混; 反混backhousia myrtifolia