短语词组短语corrugated d galvanized iron 镀锌波形铁corrugated galvanized sheet iron 镀锌波纹铁皮;镀锌瓦楞铁皮corrugated galvanized iron sheet 波形镀锌铁板corrugated galvanized iron sheet roofing 镀锌瓦楞铁皮屋面 返回 corrugated galvanized iron