6398| 5
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请问下图纸上标了个锥度1:25是多少度? |
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发表于 2016-3-6 16:28:27
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发表于 2016-3-2 14:44:05
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发表于 2016-3-2 09:59:55
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发表于 2016-3-2 09:59:40
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