1) galvanized roofing bolt
镀锌瓦楞螺栓
2) ized mild steel roofing bolt and nut
镀锌瓦楞螺栓螺帽
3) tin-coated roofing bolt
镀锡瓦楞螺栓
4) galvanized mild steel roofing screw
镀锌瓦楞螺丝
5) galvanized roofing nail
镀锌瓦楞钉
6) zinc coated bolt
镀锌螺栓
参考词条