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powder metallurgy iron-based products
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powder metallurgy iron-based products
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工学
粉末冶金材料
释
powder metallurgy iron-based products
粉末冶金铁基零件
以钢铁粉末为原料,采用粉末冶金技术制造的一类机械零件。又称烧结铁基零件。
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metrizable
metrizable continuum
metrizable group
metrizable proximity space
metrizable set
metrizable space
metrizable topological group
metrizable topological space
metrizable topology
metrizable uniform space
metrization
metrization problem
metrization theorem
METROC
metrocyte
Metro Express
Metro-Goldwyn-Mayer
metrograph
metrological
metrological accreditation
metrological authorization
metrological equipment for magnetic characteristics of materials
metrological history of the People's Republic of China
metrological management
metrological standards for magnetic characteristics of materials
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