squarehead bolt的意思|示意
美 / /
英 / /
傻瓜螺栓
squarehead bolt的网络常见释义
方头螺栓 ... 方头紧定螺栓 square-head set-bolt 方头螺栓 squarehead bolt 方头凸缘端紧定螺栓 square collar-head set-bolt ...