flat-headed counter-sunk bolt的意思|示意
美 / /
英 / /
平头沉头螺栓
flat-headed counter-sunk bolt的网络常见释义
平顶埋头螺栓 ... flat counter-sunk head screw 平顶埋头螺钉 flat-headed counter-sunk bolt 平顶埋头螺栓 half counter sunk bone screw 半沉头骨螺钉 ...