Said metal releasing apparatus consists of a metal casing and a porous metal filter.
释放器由金属包套及由多孔金属滤器组成。
The character of sinter metal porous materials was studied, the metal filter element market of China and some new developments of sinter metal technology was introduced.
从烧结金属多孔材料本身结构性能特点出发，探讨了烧结金属多孔滤材的应用特点以及该滤材目前国内外技术发展趋势。
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