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High Toughness Zoo Yas Cupronickel Hlau
Kev 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 ua kom yaj tag 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 ...
