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引用第38楼oyama小兵于2013-08-16 16:47发表的 :我还想问一下,找一根外径22内径18的碳纤管,中间做个变径,可以用来做把横么
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引用第28楼kevid_chen于2013-08-14 09:27发表的 :如果有600mm就好了
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