短語(yǔ)詞組短語(yǔ)screw type anchor 螺旋式錨screw casing anchor packer 用螺紋裝置撐開(kāi)及收縮的套管封隔器screw w anchor 螺旋型地錨MACHINE SCREW ANCHOR 機(jī)械牙膨脹壁虎single screw anchor 螺旋錨screw anchor socket 螺旋插座screw anchor foundation 螺旋錨基礎(chǔ)Screw Anchor Expanders 螺桿錨擴(kuò)張器 返回 screw anchor