Uhlu lwezilungiselelo zokufakwa kwezinye Lwazi lokusebenza kwisebe yezilungiselelo ezinethunyelwe zokugcina ukusasazeka kwesayithi esihlanganyeliweyo ezwenenhla emahhase. I-Aluminium echanekileyo (ASTM B221 standard) uzohlanganiswa nesi-steel esigcinwe ngokushuva kakhulu (GB/T 13912 st...)
EN