短語詞組短語screw take -up device 螺鏇拉緊裝置Screw Back -up Ring 螺鏇襯環(huán)tail -pulley screw take-up 尾輪螺鏇拉緊裝置coupling screw -up 擰接頭screw machine set -up operator 螺桿機(jī)設(shè)置操作員vertical screw lift take -up stand 立式螺鏇陞降收線架screw -type locking up device 螺鏇式鎖緊裝置backing -up screw 止動螺釘;制動螺鏇 返回 screw-up