It-titjib tal-proċess tal-ikkastjar tar-ramel, it-trattament tal-ikkastjar u l-elużjoni tal-istruttura huma l-miżuri biex itejbu s-siġillar u l-prestazzjoni li ma jgħaddix ilma minnha kkastjar bil-punt tad-dawl LED. 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 […]
