flat counter-sunk head screw的意思|示意
美 / /
英 / /
平沉头螺钉
flat counter-sunk head screw的网络常见释义
平顶埋头螺钉 ... fillister head 凹槽螺帽; 凸圆头; 圆筒形抓斗; 圆头 flat counter-sunk head screw 平顶埋头螺钉 flat head self tapping screw 平头自攻螺钉 ...