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[讨论] 多层板(6层以上)可否用过孔代替盲孔或埋孔,是不是能用过孔的最好不用盲、埋孔? |
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发表于 2006-5-10 17:23:00
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发表于 2006-5-12 10:49:00
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发表于 2006-5-20 09:40:00
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发表于 2006-6-16 22:33:00
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