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Yuav ua li cas thiaj muab cov iav iav?
1.Bnown mus rau hom muaj phau ntawv thiab tshuab tshuab moulding ob txoj kev. Nyob rau hauv cov txheej txheem ntawm phau ntawv moulding, tuav lub blackpipe kom khaws cov khoom los ntawm tus txaj muag lossis lub qhov muag ntawm lub nkoj hauv cov hlau pwm lossis cov ntoo pwm. Du cov khoom siv los ntawm Rota ...Nyeem ntxiv -
Yuav ua li cas yog tempered iav tau ua?
Cim Ford, Fiber kev thawj tswj hwm ntawm AFG kev lag luam, Inc., piav qhia: Tempered iav yog li plaub lub zog dua li "dog dig," lossis analealed, iav. Thiab tsis zoo li annealed iav, uas tuaj yeem tawg mus ua jagged shards thaum tawg, tempered iav ...Nyeem ntxiv
