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Iindaba zeMveliso

Indlela yokuvelisa ingqekembe ye-zinc alloy ethambileyo yomngeni kwizipho ze-aohui?
ngu admin nge 22-02-18
Indlela yokuvelisa ingqekembe ye-zinc alloy ethambileyo yomngeni kwizipho ze-aohui?Njengomvelisi oqeqeshiweyo wazo zonke iintlobo zengqekembe yeminti, izikhumbuzo zemint njl.
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Yintoni injongo yephini lelapel?
ngu admin nge 22-02-17
Yintoni injongo yephini lelapel?Iphini yelapel ikwabizwa ngokuba yi-enamel pin, yintsimbi encinci enxitywayo ezimpahleni, rhoqo emphethweni webhatyi, encanyathiselwe ebhegini, okanye iboniswe kwiqhekeza lelaphu.Izikhonkwane zeelapel zinokuhombisa okanye ziyakwazi...
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