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Tooj liab ferro alloy
Copper ferro alloy yog ib qho alloy ntawm tooj liab thiab hlau.Nws cov yam ntxwv thiab kev siv yog ntau haiv neeg, uas tau aroused ntau mloog thiab kev tshawb fawb nyob rau hauv lub ntiaj teb no.
Copper ferro alloy yog ib qho alloy ntawm tooj liab thiab hlau.Nws cov yam ntxwv thiab kev siv yog ntau haiv neeg, uas tau aroused ntau mloog thiab kev tshawb fawb nyob rau hauv lub ntiaj teb no.