Pali njira zingapo zoponyera zomwe zikuphatikizapo: Die kuponyera, Aluminium kufa kuponyera, Kuponya ndalama, kuponyera mchenga, Kutaya thovu kuponya, Kutaya sera, Kuponyera kokhazikika kwa nkhungu, Kuponya kwachangu, Kuponya kwapakati kapena rotocasting.Mfundo yogwira ntchito (magawo atatu) Njira yayikulu-CNC Machining kapena ...
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