PHPWIND
HELLOCQ
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内容来自Android手机客户端
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bd7cv:这公式还比较准确 (2014-09-09 18:23)
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bh1phl:不用自己写啊.这儿有: http://www.dl5swb.de/html/mini_ring_core_calculator.htm (2014-09-09 22:34)
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梁海:这里的鸟语啊,不容易懂!不过还是谢谢 (2014-09-10 08:28)
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bg2ano:这个好 下载了 再加一个双孔的就完美了 (2014-09-11 18:04)
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芦鑫:原来跟线的直径无关啊 (2014-09-10 22:53)
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梁海:软件在这里啦:[图片] (2014-09-09 18:06)