短語詞組短語Bolt holding -down 錨螺栓bolt hold -down bracket 機心定位架bolt -down clamp 螺栓壓緊夾Bolt -On Tie Down 起重吊點tie -down bolt 系緊螺栓screw -down bolt 壓緊螺栓hold -down bolt 壓緊螺栓底腳螺栓;壓緊螺栓holding -down bolt 壓緊螺栓底腳螺栓;壓緊螺栓;地腳螺栓differential hold -down bolt 差速器壓緊螺栓 返回 bolt down