短語詞組短語ball screw -jack 滾珠螺鏇致動器;詳細繙譯screw gate jack 螺鏇機門油缸differential screw -jack 差動螺鏇千斤頂;差動螺鏇千斤;繙譯;差動螺鏇千斤頂英語screw w jack 螺鏇起重器screw w jack prop 螺鏇千斤頂支柱Screw base jack 調節(jié)底座Screw -jack 絞磐;[機]螺鏇起重器bar -screw w jack 棒形千斤頂jack -screw screw 起重螺鏇 返回 screw jack