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關注：1
2013-05-23 12:21
求翻譯：The straight line with a 45 degree angle shows that the ratio between the content and the chemical composition in the passive film is 1：1．是什么意思？ 待解決
 懸賞分：1
- 離問題結束還有
The straight line with a 45 degree angle shows that the ratio between the content and the chemical composition in the passive film is 1：1．
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