铁管: iron pipe; iron tube非: mistake; wrong; errors涂: spread on; apply; smear锌: zinc管: pipe; tube黑铁管；非镀锌管: black pipe黑铁管: black iron pipe; black pipe涂锌: zinc coating锌管: zinc pipe熔焊的黑铁管线规范: standard specification for steel line pipe black furnace-butt-welded喷涂锌: zinc spraying涂锌层: zinc coating镀锌管: galvanized conduit; galvanized pipe; galvanized tube非涂布纸: uncoated paper非涂料纸: uncoated paper非涂漆表面: unpainted surface喷涂涂锌: spray galvanizing锌 涂锌于: zinc黑铁板: black iron plate黑铁棒: black metal bar黑铁矿: black iron ore; blacking iron ore黑铁皮: black iron plate( black sheet iron); black iron sheet; black plate; black sheet iron(black iron plate)黑铁丝: black wire镀锌管套: galvanized pipe socket镀锌管弯头: galvanized pipe bend
