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27SiMnҺ��֧����|27simnҺ��֧�ܹ�|27simn�Ͻ��|27SiMnҺ��֧����Ҏ(gu��)��� |
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27SiMn |
0.24-0.32 |
1.10-1.40 |
1.10-1.40 |
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27SiMnҺ��֧����(GB/T17396-1998) |
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