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