BAYANIN ASTM A210 GA TSAKIYAR KARFE MAI TSARKI DA BUBUWAN SUPERHEATER

  • BAYANIN ASTM A210 GA TSAKIYAR KARFE MAI TSARKI DA BUBUWAN SUPERHEATER
    BAYANIN ASTM A210 GA TSAKIYAR KARFE MAI TSARKI DA BUBUWAN SUPERHEATER