Izinto ze-4130 ziyi-high-quality alloy iron material enamandla amakhulu kunye nokumelana nokushisa, esetyenziswa ngokubanzi kwi-aerospace, ukwakhiwa kweenqanawa, ukuveliswa kweemoto kunye nezinye iindawo. Ubume bayo beekhemikhali bubandakanya izinto ezinje ngechromium, imolybdenum, kunye nentsimbi, kunye nomlinganiselo ofanelekileyo we ...
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