方法:椎间盘部分置换的植入物由聚合水凝胶 ( 乙烯醇 ) 组成,并且被做成棒状的形态.Methods . The implants for partial disc replacements were made of poly ( vinyl alcohol ) hydrogel and rod - shaped....
Main uses: flux for metallurgy, ceramic, glasswork, abrasive substance, foundry, refractory, smelting etc.主要用途: 冶金熔剂 、 陶瓷 、 制造玻璃 、 研磨材料 、 铸造 、 耐火材料 、 冶炼硅铁等.The moulds for the foundry are made in the tool-room area.铸造车间的模...