Umgangatho wezinyo lebhakethi kunye nokuthengwa kwezinyo lebhakethi xa sithenga izinyo lebhakethi kunye namanye amalungu omatshini, ahlala ecinezeleka into, yindlela yokuthenga nokuthenga oko, thenga ukuba yintoni i-brand. yeyakho!
Imingxuma yomoya yafunyanwa ijikeleze indawo eshushu yesixhobo sezinyo esisikiweyo sebhakethi, kwaye imingxuma yomoya nayo yafunyanwa eludongeni kufutshane nomngxuma ongundoqo. inkqubo yokwenza i-shrinkage cavity kunye ne-porosity of casting, uninzi lwazo luhamba kunye nokuhlukana kwegesi.Ukuba isixa segesi kwi-alloy siphezulu kakhulu, okanye igesi eninzi ihlaselwe kwinkqubo yokuzaliswa kwesinyithi, ukubunjwa kwe-shrinkage ngasentla okanye Ngokusebenzisa uhlalutyo lokusika amazinyo ebhakethi, sinokubona ukuba ukusasazwa kwe-stomatal akunakwenzeka, kwaye umngxuma mkhulu, ubukhulu becala ungqukuva kunye nebhola engqukuva, inokugqiba ukuba esi sisu sise-invasive stomatal.
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Ixesha lokuposa: Sep-20-2019