Ntshiab aluminium yog qhov muag muag., tab sis qhov teeb meem no tuaj yeem daws tau los ntawm kev sib xyaw nrog lwm cov hlau.Yog li ntawd, aluminium alloys tau tsim kom haum rau ntau hom kev lag luam, thiab lawv tuaj yeem nkag tau thoob ntiaj teb.Ruifiqfeng, piv txwv li, tshwj xeeb hauv cov khoom lag luam ...
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