楼主: sjzrifdsa
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大家好!45#软轴、45#硬轴和40Cr镀铬棒,通过肉眼能分辨出来吗?谢谢! |
发表于 2020-10-24 08:30:49
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发表于 2020-10-24 10:47:57
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发表于 2020-10-24 14:57:04
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