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[已答复] 锥形零件怎样浇铸气孔较少? |
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发表于 2010-7-10 20:53:13
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发表于 2010-7-14 18:40:01
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发表于 2010-7-19 16:46:22
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发表于 2010-7-23 20:37:44
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