304 irin alagbara, irin alagbara, irin pipe yiya lasan jẹ wọpọ pupọ, ọpọlọpọ awọn idi fun iṣẹlẹ yii ni physico-kemikali ati awọn aaye ẹrọ, nipataki nipasẹ yiya abrasive, wiwu alemora (glued), rirẹ yiya (pitting) ipata ati wọ. 304 irin alagbara, irin pipe pipe ati wọ fere gbogbo pro ...
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