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關注:1
2013-05-23 12:21
求翻譯:It is noticed that the microstructure after 4 passes still consists of a considerable number of large grains and a uniform grain structure is only achieved after 8 passes.是什么意思?![]() ![]() It is noticed that the microstructure after 4 passes still consists of a considerable number of large grains and a uniform grain structure is only achieved after 8 passes.
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