bar hooked at both ends的意思|示意
美 / /
英 / /
杆两端有钩
bar hooked at both ends的网络常见释义
两端带弯钢筋 ... 两端带螺纹的 both end threaded 两端带弯钢筋 bar hooked at both ends 凸缘联结器,凸缘接头 flange coupling ...