Qum quyish jarayonini takomillashtirish, quyma ishlov berish va konstruktsiyaning eluziyasi - bu LED nuqta nurli quyma to'qimalarining muhrlanishini va suv o'tkazmaydigan ko'rsatkichlarini yaxshilashga qaratilgan chora-tadbirlardir. 1. Sand casting process improvement of LED point light source die casting There are several ways to improve sand casting process (1) Keep pressure and heat preservation for […]
