Ukuze uqonde izinzuzo zemigoqo yensimbi enezintambo, izahlulelo ezilandelayo zingadonswa.1. Ukuhlonza ukwakheka kwamakhemikhali Ukuhlaziywa Kokuqukethwe kwe-C, Si, Mn, P, S, njll. ku-Rebar Ukwakheka kwamakhemikhali kufanele kuhambisane ne-ASTM, GB, DIN namanye amazinga.2. Ukusebenza kwemishini ...
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