Kev faib tawm ntawm tooj liab Alloys: Los ntawm Alloy System 1. Unalloyed tooj liab: Unalloyed tooj liab muaj xws li high-purity tooj liab, tawv tooj liab, deoxidized tooj liab, oxygen-dawb tooj liab, thiab lwm yam. Feem ntau, ntshiab tooj liab kuj hu ua liab tooj liab.2. Lwm cov tooj liab alloys yog cov hlau alloy.Hauv kuv lub tebchaws thiab Russia, ...
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