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关注:1
2013-05-23 12:21
求翻译:MUCH effort has been made to produce ultra-finegrained (UFG) metallic materials with submicrometer grain sizes, since UFG materials are expected to have superior performance properties.是什么意思?![]() ![]() MUCH effort has been made to produce ultra-finegrained (UFG) metallic materials with submicrometer grain sizes, since UFG materials are expected to have superior performance properties.
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