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关注:1
2013-05-23 12:21
求翻译:20号钢经过热处理后,机械性能可以达到要求是什么意思?![]() ![]() 20号钢经过热处理后,机械性能可以达到要求
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2013-05-23 12:21:38
20 steel after heat treatment, mechanical properties can meet the requirements
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2013-05-23 12:23:18
No. 20 steel heat-treated after mechanical properties can meet the requirements.
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2013-05-23 12:24:58
20 steel after the heat treatment, the mechanical property may meet the requirements
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2013-05-23 12:26:38
20th steel after heat treatment, mechanical properties can meet the required
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2013-05-23 12:28:18
20th steel after heat treatment, mechanical properties can meet the required
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