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High Toughness Zoo Yas Cupronickel Hlau
Taw qhia Dawb tooj liab hlau yog tooj liab puag alloy nrog npib tsib xee ua lub ntsiab, nyiaj dawb, xim hlau luster, li no lub npe dawb tooj liab.tooj liab thiab npib tsib xee tuaj yeem sib xyaw ua ke nrog ib leeg, yog li tsim cov khoom siv txuas ntxiv, uas yog, tsis muaj teeb meem ntau npaum li cas ntawm ib leeg, tab sis ib txwm α- ib theem alloy.Cov khoom ...
