控纜護套厚度的計算辦法 - 無圖版
狼宇 --- 2009-07-21 16:59:26
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mxwxz --- 2009-08-03 19:28:45
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GB/T 9330-2008上有護套厚度的計算方法和公式
狼宇 --- 2009-08-06 17:55:45
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xie
田園拙叟 --- 2009-08-07 17:18:20
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IF(I4<10,"1.2",IF(I4<16,"1.5",IF(I4<25,"1.7",IF(I4<30,"2.0",IF(I4<40,"2.2",IF(I4<50,"2.5"))))))
狼宇 --- 2009-08-12 16:39:00
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“I4”表示什么呢4樓
1396562368 --- 2010-07-12 12:30:03
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b00165 --- 2010-07-13 08:35:11
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qweada --- 2010-07-20 09:20:16
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9330上有詳細的說明的啊 先計算假定直徑 通過假定直徑確定護套厚度
-- 結(jié)束 --