Hot ti yiyi irin Gbona-yiyi jẹ pẹlu lemọlemọfún simẹnti pẹlẹbẹ tabi blooming pẹlẹbẹ bi aise ohun elo, lẹhin reheating ileru alapapo, ga titẹ omi descaling sinu roughing ọlọ, roughing ohun elo nipasẹ awọn Ige ori, iru, ati ki o si tẹ awọn finishing ọlọ, imuse ti iṣakoso kọnputa ...
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