socket-head screw socket screw的意思|示意
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内六角螺钉内六角螺钉
socket-head screw socket screw的网络常见释义
凹头螺钉 ... hexagon socket cap head screw 内六角圆柱头螺钉 socket-head screw socket screw 凹头螺钉 hexagon socket head screw 六角凹头螺钉 ...